| uracil
|
(noun) a base containing nitrogen that is found in RNA (but not in DNA) and derived from pyrimidine; pairs with adenine |
U |
| uraemia
|
(noun) accumulation in the blood of nitrogenous waste products (urea) that are usually excreted in the urine |
uremia,
azotaemia,
azotemia |
| uraemic
|
(adjective) of or involving excess nitrogenous waste products in the urine (usually due to kidney insufficiency) |
uremic,
azotemic |
| uranalysis
|
(noun) (medicine) the chemical analysis of urine (for medical diagnosis) |
urinalysis |
| uraninite
|
(noun) a mineral consisting of uranium oxide and trace amounts of radium and thorium and polonium and lead and helium; uraninite in massive form is called pitchblende which is the chief uranium ore |
pitchblende |
| uranium
|
(noun) a heavy toxic silvery-white radioactive metallic element; occurs in many isotopes; used for nuclear fuels and nuclear weapons |
U,
atomic number 92 |
| uranologist
|
(noun) a physicist who studies astronomy |
stargazer,
astronomer |
| uranology
|
(noun) the branch of physics that studies celestial bodies and the universe as a whole |
astronomy |
| uranoplasty
|
(noun) surgical correction of a defect of the palate |
- |
| uranyl
|
(noun) the bivalent radical UO2 which forms salts with acids |
uranyl group,
uranyl radical |
| urarthritis
|
(noun) a painful inflammation of the big toe and foot caused by defects in uric acid metabolism resulting in deposits of the acid and its salts in the blood and joints |
gout,
gouty arthritis |
| urate
|
(noun) a salt of uric acid |
- |
| uratemia
|
(noun) presence of abnormal amounts of uric acid salts in the blood; symptom of gout |
- |
| uraturia
|
(noun) presence of abnormally large amounts of uric acid in the urine; symptom of gout |
- |
| urban
|
(adjective) relating to or concerned with a city or densely populated area |
- |
| urban
|
(adjective) located in or characteristic of a city or city life |
- |
| urbane
|
(adjective) showing a high degree of refinement and the assurance that comes from wide social experience |
refined,
polished |
| urbanely
|
(adverb) in an urbane manner |
- |
| urbanisation
|
(noun) the condition of being urbanized |
urbanization |
| urbanisation
|
(noun) the social process whereby cities grow and societies become more urban |
urbanization |
| urbanise
|
(verb) impart urban habits, ways of life, or responsibilities upon |
urbanize |
| urbanise
|
(verb) make more industrial or city-like |
urbanize |
| urbanised
|
(adjective) made urban in nature; taking on urban characteristics |
urbanized |
| urbanity
|
(noun) polished courtesy; elegance of manner |
- |
| urbanity
|
(noun) the quality or character of life in a city or town |
- |
| urbanization
|
(noun) the condition of being urbanized |
urbanisation |
| urbanization
|
(noun) the social process whereby cities grow and societies become more urban |
urbanisation |
| urbanize
|
(verb) make more industrial or city-like |
urbanise |
| urbanize
|
(verb) impart urban habits, ways of life, or responsibilities upon |
urbanise |
| urbanized
|
(adjective) made urban in nature; taking on urban characteristics |
urbanised |
| urceolate
|
(adjective) urn-shaped; large below and contracted toward the mouth |
- |
| urceole
|
(noun) a vessel that holds water for washing the hands |
- |
| urchin
|
(noun) poor and often mischievous city child |
- |
| urea
|
(noun) the chief solid component of mammalian urine; synthesized from ammonia and carbon dioxide and used as fertilizer and in animal feed and in plastics |
carbamide |
| urease
|
(noun) an enzyme that catalyzes the hydrolysis of urea into carbon dioxide and ammonia; is present in intestinal bacteria |
- |
| ureide
|
(noun) any compound, of general formula R-CO-NH-CO-NH2 or R-CO-NH-CO-NH-CO-R', formally derived by the acylation of urea. |
- |
| uremia
|
(noun) accumulation in the blood of nitrogenous waste products (urea) that are usually excreted in the urine |
uraemia,
azotaemia,
azotemia |
| uremic
|
(adjective) of or involving excess nitrogenous waste products in the urine (usually due to kidney insufficiency) |
uraemic,
azotemic |
| ureter
|
(noun) either of a pair of thick-walled tubes that carry urine from the kidney to the urinary bladder |
- |
| ureteritis
|
(noun) inflammation of the ureter |
- |
| ureterocele
|
(noun) prolapse of the end of the ureter into the bladder; may obstruct urine flow |
- |
| ureterostenosis
|
(noun) stenosis of the ureter |
- |
| urethane
|
(noun) an ester of carbamic acid |
- |
| urethra
|
(noun) duct through which urine is discharged in most mammals and which serves as the male genital duct |
- |
| urethral
|
(adjective) of or relating to the urethra |
- |
| urethritis
|
(noun) inflammation of the urethra; results in painful urination |
- |
| urethrocele
|
(noun) prolapse of the urethra into the vagina |
- |
| urge
|
(noun) an instinctive motive |
impulse |
| urge
|
(noun) a strong restless desire |
itch |
| urge
|
(verb) force or impel in an indicated direction |
press,
urge on,
exhort |
| urge
|
(verb) push for something |
recommend,
advocate |
| urge
|
(verb) spur on or encourage especially by cheers and shouts |
inspire,
pep up,
barrack,
cheer,
root on,
urge on,
exhort |
| urgency
|
(noun) the state of being urgent; an earnest and insistent necessity |
- |
| urgency
|
(noun) pressing importance requiring speedy action |
- |
| urgency
|
(noun) an urgent situation calling for prompt action |
- |
| urgency
|
(noun) insistent solicitation and entreaty |
urging,
importunity |
| urgent
|
(adjective) compelling immediate action |
pressing |
| urgently
|
(adverb) with great urgency |
desperately |
| urging
|
(noun) a verbalization that encourages you to attempt something |
prod,
goad,
spur,
prodding,
goading,
spurring |
| urging
|
(noun) the act of earnestly supporting or encouraging |
- |
| urging
|
(noun) insistent solicitation and entreaty |
urgency,
importunity |
| urial
|
(noun) bearded reddish sheep of southern Asia |
Ovis vignei |
| uric
|
(adjective) in or relating to or obtained from urine |
- |
| uricaciduria
|
(noun) presence of abnormal amounts of uric acid in the urine; symptom of gout |
- |
| uricosuric
|
(adjective) acting to increase the excretion of uric acid in the urine |
- |
| urinal
|
(noun) a plumbing fixture (usually attached to the wall) used by men to urinate |
- |
| urinalysis
|
(noun) (medicine) the chemical analysis of urine (for medical diagnosis) |
uranalysis |
| urinary
|
(adjective) of or relating to the function or production or secretion of urine |
- |
| urinary
|
(adjective) of or relating to the urinary system of the body |
- |
| urinate
|
(verb) pass after the manner of urine |
- |
| urinate
|
(verb) eliminate urine |
make,
puddle,
piddle,
relieve oneself,
make water,
micturate,
pass water,
pee,
pee-pee,
piss,
wee,
wee-wee,
spend a penny,
take a leak |
| urination
|
(noun) the discharge of urine |
micturition |
| urinator
|
(noun) a person who urinates |
pisser |
| urine
|
(noun) liquid excretory product |
pee,
piddle,
piss,
water,
weewee |
| urn
|
(noun) a large vase that usually has a pedestal or feet |
- |
| urn
|
(noun) a large pot for making coffee or tea |
- |
| urobilin
|
(noun) brown bile pigment formed from urobilinogens and found in feces and in small amounts in urine |
- |
| urobilinogen
|
(noun) a chromogen formed in the intestine from the breakdown of bilirubin; yields urobilins on oxidation; some is excreted in the feces and some is resorbed and excreted in bile or urine |
stercobilinogen |
| urocele
|
(noun) extravasation of urine into the scrotal sac |
- |
| urochesia
|
(noun) passage of urine from the anus |
urochezia |
| urochezia
|
(noun) passage of urine from the anus |
urochesia |
| urochord
|
(noun) primitive marine animal having a saclike unsegmented body and a urochord that is conspicuous in the larva |
urochordate,
tunicate |
| urochord
|
(noun) a notochord of a larval tunicate typically confined to the caudal region |
- |
| urochordate
|
(noun) primitive marine animal having a saclike unsegmented body and a urochord that is conspicuous in the larva |
urochord,
tunicate |
| urodele
|
(noun) amphibians that resemble lizards |
caudate |
| urodynia
|
(noun) pain during urination |
- |
| urogenital
|
(adjective) of or relating to the urinary and reproductive systems |
- |
| urokinase
|
(noun) protease produced in the kidney that converts plasminogen to plasmin and so initiates fibrinolysis |
plasminogen activator |
| urolith
|
(noun) a urinary stone |
- |
| urologist
|
(noun) a specialist in urology |
- |
| urology
|
(noun) the branch of medicine that deals with the diagnosis and treatment of disorders of the urinary tract or urogenital system |
urogenital medicine |
| uropathy
|
(noun) any pathology of the urinary tract |
- |
| uropygium
|
(noun) posterior part of a bird's body from which the tail feathers grow |
- |
| ursine
|
(adjective) of or relating to or similar to bears |
- |
| ursinia
|
(noun) any of various plants of the genus Ursinia grown for their yellow- or orange- or white-rayed flowers |
- |
| urticaria
|
(noun) an itchy skin eruption characterized by weals with pale interiors and well-defined red margins; usually the result of an allergic response to insect bites or food or drugs |
urtication,
nettle rash,
hives |
| urticate
|
(verb) whip with or as with nettles |
- |
| urticate
|
(verb) sting with or as with nettles and cause a stinging pain or sensation |
nettle |
| urtication
|
(noun) an itchy skin eruption characterized by weals with pale interiors and well-defined red margins; usually the result of an allergic response to insect bites or food or drugs |
urticaria,
nettle rash,
hives |
| urtication
|
(noun) a sensation of having been stung by nettles |
- |
| urus
|
(noun) large recently extinct long-horned European wild ox; considered one of the ancestors of domestic cattle |
aurochs,
Bos primigenius |