| rabid |
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adjective
- Furious; raging; extremely violent.
- Extreme, unreasonable, or fanatical in opinion; excessively zealous; as, a rabid socialist.
- Affected with rabies, as, a rabid dog or fox.
- Of or pertaining to rabies, or hydrophobia; as, rabid virus.
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| rabies |
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noun (singular) (uncountable)
- (pathology) A viral disease that causes acute encephalitis in warm-blooded animals and people. The virus is found in the saliva of infected animals and transmission is usually caused by a bite. It is characterised by abnormal behaviour such as excitement, aggressiveness, and dementia, followed by paralysis and invariably death. Post-exposure vaccination can prevent symptoms from developing.
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| rachitis |
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noun
- rickets
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| radiation sickness |
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noun
- Any illness produced by ionizing radiation with symptoms range from nausea through to death.
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| rale |
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noun
- (medicine) An abnormal rattle or crackling sound heard in a stethoscope during breathing, caused by fluid in the lungs or the popping open of airways.
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| ranula |
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noun - A small cyst on the floor of the mouth, under the tongue, which is associated with an obstruction of the major salivary gland.
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| rash |
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noun (wikipedia, rash, rash (inflamed skin))
(rashes)
- An area of reddened, irritated, and inflamed skin.
- A surge in problems; a spate, string or trend
- There has been a of vandalism lately.
adjective (er, est)
- hasty, not careful or considered.
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| rattle |
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noun
- (onomatopoeia) a sound made by loose objects shaking or vibrating against one another
- I wish they would fix the under my dashboard.
- a baby's toy designed to make sound when shaken, usually containing loose grains or pellets in a hollow container
verb (rattl, es)
- (transitive) (ergative) to create a sound by shaking
- Rattle the can of cat treats if you need to find Fluffy.
- (transitive) to scare, startle, unsettle, or unnerve
- The accident really rattled him.
- (intransitive) to make a rattling noise; to make noise by or from shaking
- ''I wish the dashboard in my car would quit rattling.
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| raw |
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adjective
- Not cooked.
- Not treated or processed.
- cane sugar
- sewage
- New or inexperienced.
- a beginner
- chafed, tender, or irritated.
- a wound
- rough or uneven.
- a voice
- (slang) without a condom
- We did it .
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| Raynaud's disease |
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noun
- A disease characterized by low blood flow to the fingers, toes, and/or ears.
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| red gum |
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noun
- an eucalyptus tree with red wood, found in Australia.
- a tree of the hazel family, found in North America.
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| regurgitation |
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noun
- The act of regurgitate, regurgitating.
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| relapse |
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verb (relaps, ing)
- (intransitive) To fall back again.
- He has improved recently but keeps relapsing into states of utter confusion.
- (context, intransitive, medicine, of a disease) To recur; to worsen, be aggravated.
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| retinoblastoma |
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noun (pl1=retinoblastomas, pl2=retinoblastomata)
- (pathology) A malignant tumour of the retina; a hereditary condition found mostly in children.
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| rheum |
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noun
- (physiology) A watery or thin discharge, of serum or mucus, especially from the eyes or nose.
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| rheumatic |
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adjective - Resembling or referring to rheumatism.
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| rheumatic fever |
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noun
- an inflammation of the joints and the heart following a respiratory infection with streptococcus
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| rheumatism |
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noun
- (pathology) Any disorder of the muscles, tendons, joints, bones, nerves, characterized by pain, discomfort and disability.
- The old man had become a confirmed invalid, confined by chronic rheumatism to his chair. — w:The Dead Alive, The Dead Alive
- (pathology) atrophic arthritis, rheumatoid arthritis
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| rheumatoid |
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adjective
- of or pertaining to rheumatism
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| rheumatoid arthritis |
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noun
- (pathology) A chronic and progressive disease in which the immune system attacks the joints. It is characterised by pain, inflammation and swelling of the joints, stiffness, weakness, loss of mobility and deformity. Tissues throughout the body can be affected, including the skin, blood vessels, heart, lungs, and muscles.
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| rheumy |
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adjective
- of, relating to, or producing rheum from the mucous membranes; watery
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| rhinitis |
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noun (plural: rhinitides)
- (pathology) Inflammation of the mucous membranes of the nose.
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| rhinorrhea |
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noun
- (medicine) a persistent discharge of watery mucus from the nose; typical of the common cold.
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| rickets |
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noun
- (pathology) A disorder of infancy and early childhood caused by a deficiency of vitamin D, causing soft bones.
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| rigor |
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noun - US spelling of rigour.
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| ringworm |
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noun
- A contagious fungal affliction of the skin, characterised by ring-shaped discoloured patches, covered by vesicles or scales.
- "As listed above, in superficial mycoses infection is localised to the skin, the hair, and the nails. An example is or tinea, an infection of the skin by a dermatophyte."
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| roseola |
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noun
- (pathology) Any rosy rash that occurs with various fevers, especially that occurring with a mild disease of early infancy that resembles measles.
- (disease) German measles.
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| rot |
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verb (rots, rotting, rotted, rotten)
to rot
- to decay, to become bad
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| rubella |
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noun
- (pathology) A mild disease caused by the Rubella virus infecting the respiratory tract, and characterised by a rash of pink dots, fever and swollen lymph nodes.
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| run-down |
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adjective
- (context, of a person) tired and exhausted
- (context, of a place) decrepit
- (context, of a clockwork mechanism) having the spring unwound
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| running |
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noun
- The action of the verb to run.
- His running of the business leaves something to be desired.
- The activity of running as a form of exercise or as a sport.
- Running is good exercise.
verb
- (present participle of, run)
adjective
- That which runs or run.
- running paint
- running taps
adverb
- (context, informal) consecutively; in a row
- Mom's strawberry jam won the blue ribbon at the Holland County Fair three years .
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| runny |
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adjective (runnier, runniest)
- fluid; capable of flowing
- honey
- liable to run
- a nose
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| rupture |
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noun
- A burst, split, or break.
verb (ruptur, es)
- (transitive, intransitive) To burst, break through, or split, as under pressure.
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