| Meaning |
Explication |
As a source |
As a target |
Taxon |
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| <religious festival> |
festival for a particular deity. saint or religious event |
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| <rural foot-wear> |
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| rabid |
affected with rabies |
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| rabies |
an acute virus disease of the nervous system of mammals that is caused by a rhabdovirus (species Rabies virus of the genus Lyssavirus) usually transmitted through the bite of a rabid animal and that is characterized typically by increased salivation, abnormal behavior, and eventual paralysis and death when untreated (Merriam-Webster) |
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| raccoon |
nocturnal omnivore native to North America, typically with a mixture of gray, brown, and black fur, a mask-like marking around the eyes and a striped tail; Procyon lotor |
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| race, ethnos |
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| radiointerference |
distortion on a broadcast signal due to atmospheric or other effects |
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| radish |
Raphanus sativus var. radicula |
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| radius (bone) |
long bone in the forearm, on the side of the thumb |
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| radius (geometry) |
line segment between any point of a circle or sphere and its center
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| raft |
flat-bottomed craft usually made of logs able to float on water, used for transport |
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| rafter (architecture) |
one of a series of sloped beams that extend from the ridge or hip to the downslope perimeter or eave, designed to support the roof deck and its associated loads |
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| rag, duster |
None
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| railcar |
unpowered unit in a railroad train |
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| rain |
water falling from a cloud |
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| rainbow |
multicoloured arch in the sky, produced by prismatic refraction of light within droplets of rain in the air |
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| rainbow smelt |
fish Osmerus mordax |
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| raisin |
dried grape |
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| rake |
garden tool with a row of pointed teeth fixed to a long handle, used for collecting debris, grass, etc., for flattening the ground, or for loosening soil |
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| ram |
male sheep |
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| ranula |
sublingual salivary gland cyst
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| Ranunculus |
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| rapids |
rough section of a river or stream which is difficult to navigate due to the swift and turbulent motion of the water |
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| rare |
very uncommon; scarce |
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| rash, eruption |
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| rasin |
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| raspberry |
plant Rubus idaeus |
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| rat |
rodent belonging to the genus Rattus |
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| rather (preference) |
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| raven |
bird Corvus corax |
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| ravine |
deep narrow valley or gorge in the earth's surface |
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| raw |
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| raw material |
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| ray |
beam of light |
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| ready |
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| rear |
being behind, or in the hindmost part; hindmost |
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| rear end |
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| recent |
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| recently |
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| red |
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| red panda |
omnivorous mammal, Ailurus fulgens, native to the Himalayas and eastern Asia, which has dark red fur and a ringed tail |
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| redfin dace |
fish Tribolodon |
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| reed |
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| reed (in loom) |
comb-like part of a beater for beating the weft when weaving |
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| reflection (in the mirror, water) |
image that appears on a smooth, shiny surface due to the refraction of light rays |
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| reflex (biology) |
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| region |
any considerable and connected part of a space or surface; specifically, a tract of land or sea of considerable but indefinite extent; a country; a district |
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| reindeer |
arctic and subarctic-dwelling deer of the species Rangifer tarandus |
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| reindeer calf |
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| reins |
straps fastened to a bit by which a rider or driver controls an animal (Merriam-Webster) |
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| relation, connection |
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| relative (n.) |
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| reliable, trustworthy |
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| remembrance |
act of remembering; a holding in mind, or bringing to mind; recollection |
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| remote area |
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| resentment, offense |
displeasure stemming from belief that one has been wronged or betrayed by others |
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| respect (n.) |
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| respected, venerable |
None
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| rest (n.) |
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| result, outcome |
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| resurrection |
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| reticulum (zoology) |
second compartment of the stomach of a cow or other ruminant |
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| retina |
thin layer of cells at the back of the eyeball that contains rods and cones sensitive to light, which trigger nerve impulses that pass via the optic nerve to the brain |
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| revenge |
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| rheumatism |
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| rhinoceros |
any of several large herbivorous ungulates native to Africa and Asia of the five extant species in the three extant genera in the family Rhinocerotidae, with thick, gray skin and one or two horns on their snouts |
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| rhombus |
parallelogram having all sides of equal length |
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| rhubarb |
plant of the genus Rheum, especially Rheum rhabarbarum, having large leaves and long green or reddish acidic leafstalks that are edible, in particular when cooked |
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| rhyme |
sameness of letters or sounds of some parts of words, as ‘the poem exhibits rhyme’ |
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| rhythm, meter |
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| rib |
any of a series of long curved bones occurring in 12 pairs in humans and other animals and extending from the spine to or toward the sternum. |
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| rib (part of a ship’s framework) |
any of several curved members attached to a ship's keel and extending upward and outward to form the framework of the hull |
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| rice |
cereal plant, Oryza sativa of the grass family whose seeds are used as food |
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| rich |
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| riddle |
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| right (angle) |
having a size of 90 degrees, or one quarter of a complete rotation; the angle between two perpendicular lines |
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| right (juridic) |
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| right (political) |
opposing political and social equality, especially conservative, traditional, and/or reactionary politics |
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| right (vs. left) |
dexter; designating the side of the body which is positioned to the east if one is facing north
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| right side |
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| ring finger |
finger between middle finger and little finger
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| ripe (fruit) |
(of fruits, vegetables, seeds etc.) ready for reaping or gathering; having attained perfection; mature
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| river |
large and often winding stream which drains a land mass, carrying water down from higher areas to a lower point, oftentimes ending in another body of water, such as an ocean or in an inland sea |
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| river-bed |
path where a river runs, or where a river once ran; the bottom earthen part of a river, not including the riverbanks |
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| road |
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| roasted |
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| rock, crag, cliff |
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| rodent |
mammal of the order Rodentia, characterized by long incisors that grow continuously and are worn down by gnawing |
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| role |
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| role model |
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| rolling-pin |
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| Romani |
member of the Romani people, or one of the sub-groups (Roma, Sinti, Romanichal, etc) |
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| roof |
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| roof beam |
beam in house construction
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| rook |
bird Corvus frugilegus |
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| rook (chess) |
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| room |
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| rooster |
male domestic chicken |
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| root (arithmetic) |
number which, when raised to a specified power, yields the specified number |
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| root (of a plant) |
part of a plant, generally underground, that anchors and supports the plant body, absorbs and stores water and nutrients |
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| root (of a word) |
primary lexical unit of a word, which carries the most significant aspects of semantic content and cannot be reduced into smaller constituents |
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| root of equation |
number whose substitution into an equation instead of a variable (usually x ) gives the same expression values to the right and left of the equal sign |
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| root of tooth |
part of a tooth extending into the bone holding the tooth in place |
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| root vegetable |
root of a plant used as an edible vegetable, such as the carrot |
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| rope, cord |
thick strings, yarn, monofilaments, metal wires, or strands of other cordage that are twisted together to form a stronger line |
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| rose |
shrub of the genus Rosa, with red, pink, white or yellow flowers. A flower of this shrub |
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| rose apple (Syzygium) |
various Syzygium species or their fruit, especially: Syzygium aqueum, the watery rose apple; Syzygium jambos, the jambu fruit; Syzygium malaccense, the Malay rose apple; Syzygium samarangense, the Semarang rose-apple or wax jambu. |
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| rose chafer |
beetle Cetonia aurata |
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| rotten |
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| rough wool |
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| rough, uneven |
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| round (adj.) |
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| round object |
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| rowan |
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| rubber |
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| ruby (stone) |
clear, deep, red variety of corundum, valued as a precious stone |
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| rudder (of a boat) |
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| rude, impolite |
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| rue ( Ruta graveolens) |
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| ruff |
circular frill or ruffle on a garment, especially a starched, fluted frill at the neck |
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| ruff (bird) |
Philomachus pugnax |
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| ruff (fish) |
small freshwater fish Gymnocephalus cernua which has spiny fins |
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| rule, regulations |
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| rumen |
first compartment of the stomach of a cow or other ruminants |
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| rumour |
statement or claim of questionable accuracy, from no known reliable source, usually spread by word of mouth |
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| runner |
one who runs |
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| rural |
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| rush (plant) |
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| Russian |
ethnic Russian: a member of the East Slavic ethnic group which is native to, and constitutes the majority of the population of, Russia |
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| Russian desman |
mammal Desmana moschata |
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| rust (n.) |
deteriorated state of iron or steel as a result of moisture and oxidation |
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| rust (plant disease) |
fungal disease of plants |
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| rusty |
marked or corroded by rust |
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| rut |
sexual desire of mammals during the mating season |
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| rye |
grain used extensively in Europe for making bread, beer, and (now generally) for animal fodder. The grass Secale cereale from which the grain is obtained. |
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| rye bread |
bread made partly or entirely with rye flour |
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