| triacetate
|
(noun) cellulose acetate that is relatively slow to burn; used instead of celluloid for motion-picture film |
Synonyms:
cellulose triacetate |
|---|
| triad
|
(noun) the cardinal number that is the sum of one and one and one |
Synonyms:
leash,
threesome,
trinity,
trio,
triplet,
troika,
three,
trey,
tierce,
3,
III,
deuce-ace,
tercet,
ternary,
ternion,
terzetto,
trine |
|---|
| (noun) a set of three similar things considered as a unit |
Synonyms:
triple,
trio,
triplet |
| (noun) three people considered as a unit |
Synonyms:
threesome,
trinity,
trio |
| (noun) a three-note major or minor chord; a note and its third and fifth tones |
Synonyms:
common chord |
| triage
|
(noun) sorting and allocating aid on the basis of need for or likely benefit from medical treatment or food |
- |
|---|
| trial
|
(noun) the act of testing something |
Synonyms:
run,
test |
|---|
| (noun) trying something to find out about it |
Synonyms:
test,
tryout,
trial run |
| (noun) the act of undergoing testing |
Synonyms:
test |
| (noun) (law) the determination of a person's innocence or guilt by due process of law |
- |
| (noun) (sports) a preliminary competition to determine qualifications |
- |
| (noun) an annoying or frustrating or catastrophic event |
Synonyms:
visitation,
tribulation |
| triamcinolone
|
(noun) a synthetic corticosteroid (trade names Aristocort or Aristopak or Kenalog) used as an anti-inflammatory agent |
Synonyms:
Kenalog,
Aristocort,
Aristopak |
|---|
| triangle
|
(noun) a three-sided polygon |
Synonyms:
trigon,
trilateral |
|---|
| (noun) something approximating the shape of a triangle |
- |
| (noun) any of various triangular drafting instruments used to draw straight lines at specified angles |
- |
| (noun) a percussion instrument consisting of a metal bar bent in the shape of an open triangle |
- |
| triangularity
|
(noun) the property of being shaped like a triangle |
- |
|---|
| triangulation
|
(noun) a trigonometric method of determining the position of a fixed point from the angles to it from two fixed points of a known distance apart; useful in navigation |
- |
|---|
| (noun) a method of surveying; the area is divided into triangles and the length of one side and its angles with the other two are measured, then the lengths of the other sides can be calculated |
- |
| triazine
|
(noun) any of three isomeric compounds having three carbon and three nitrogen atoms in a six-membered ring |
- |
|---|
| triazolam
|
(noun) a form of benzodiazepine (trade name Halcion) frequently prescribed as a sleeping pill; usually given to people who have trouble falling asleep |
Synonyms:
Halcion |
|---|
| tribade
|
(noun) a female homosexual |
Synonyms:
gay woman,
lesbian |
|---|
| tribadism
|
(noun) a form of lesbianism that simulates heterosexual intercourse |
- |
|---|
| tribalisation
|
(noun) the act of making tribal; unification on a tribal basis |
Synonyms:
tribalization |
|---|
| tribalism
|
(noun) the state of living together in tribes |
- |
|---|
| (noun) the beliefs of a tribal society |
- |
| tribalization
|
(noun) the act of making tribal; unification on a tribal basis |
Synonyms:
tribalisation |
|---|
| tribe
|
(noun) a social division of (usually preliterate) people |
Synonyms:
folk |
|---|
| (noun) a federation (as of American Indians) |
Synonyms:
federation of tribes |
| (noun) (biology) a taxonomic category between a genus and a subfamily |
- |
| (noun) group of people related by blood or marriage |
Synonyms:
kin,
kin group,
kindred,
kinship group,
clan |
| tribesman
|
(noun) someone who lives in a tribe |
- |
|---|
| tribologist
|
(noun) a specialist in tribology |
- |
|---|
| tribology
|
(noun) the branch of engineering that deals with the interaction of surfaces in relative motion (as in bearings or gears): their design and friction and wear and lubrication |
- |
|---|
| tribromoethanol
|
(noun) an intravenous anesthetic |
Synonyms:
tribromoethyl alcohol |
|---|
| tribromomethane
|
(noun) colorless liquid haloform CHBr3 |
Synonyms:
bromoform |
|---|
| tribulation
|
(noun) an annoying or frustrating or catastrophic event |
Synonyms:
visitation,
trial |
|---|
| tribunal
|
(noun) an assembly (including one or more judges) to conduct judicial business |
Synonyms:
judicature,
court |
|---|
| tribune
|
(noun) (ancient Rome) an official elected by the plebeians to protect their interests |
- |
|---|
| (noun) the apse of a Christian church that contains the bishop's throne |
- |
| tribuneship
|
(noun) the position of tribune |
- |
|---|
| tributary
|
(noun) a branch that flows into the main stream |
Synonyms:
feeder,
confluent,
affluent |
|---|
| tribute
|
(noun) something given or done as an expression of esteem |
Synonyms:
testimonial |
|---|
| (noun) payment by one nation for protection by another |
- |
| (noun) payment extorted by gangsters on threat of violence |
Synonyms:
protection |
| tributyrin
|
(noun) a bitter oily triglyceride of butyric acid; a form of butyrin |
- |
|---|
| trice
|
(noun) a very short time (as the time it takes the eye to blink or the heart to beat) |
Synonyms:
wink,
flash,
jiffy,
New York minute,
instant,
heartbeat,
split second,
blink of an eye,
twinkling |
|---|
| triceps
|
(noun) any skeletal muscle having three origins (but especially the triceps brachii) |
- |
|---|
| triceratops
|
(noun) huge ceratopsian dinosaur having three horns and the neck heavily armored with a very solid frill |
- |
|---|
| trichina
|
(noun) parasitic nematode occurring in the intestines of pigs and rats and human beings and producing larvae that form cysts in skeletal muscles |
Synonyms:
Trichinella spiralis |
|---|
| trichiniasis
|
(noun) infestation by trichina larvae that are transmitted by eating inadequately cooked meat (especially pork); larvae migrate from the intestinal tract to the muscles where they become encysted |
Synonyms:
myositis trichinosa,
trichinosis |
|---|
| trichinosis
|
(noun) infestation by trichina larvae that are transmitted by eating inadequately cooked meat (especially pork); larvae migrate from the intestinal tract to the muscles where they become encysted |
Synonyms:
myositis trichinosa,
trichiniasis |
|---|
| trichion
|
(noun) point where the hairline meets the midpoint of the forehead |
Synonyms:
crinion |
|---|
| trichloride
|
(noun) any compound containing three chlorine atoms in each molecule |
- |
|---|
| trichlormethiazide
|
(noun) diuretic drug (trade name Naqua) used to treat hypertension |
Synonyms:
Naqua |
|---|
| trichloroethane
|
(noun) a heavy colorless highly toxic liquid used as a solvent to clean electronic components and for dry cleaning and as a fumigant; causes cancer and liver and lung damage |
Synonyms:
TCE,
trichloroethylene |
|---|
| trichloroethylene
|
(noun) a heavy colorless highly toxic liquid used as a solvent to clean electronic components and for dry cleaning and as a fumigant; causes cancer and liver and lung damage |
Synonyms:
TCE,
trichloroethane |
|---|
| trichloromethane
|
(noun) a volatile liquid haloform (CHCl3); formerly used as an anesthetic |
Synonyms:
chloroform |
|---|
| trichobezoar
|
(noun) a compact mass of hair that forms in the alimentary canal (especially in the stomach of animals as a result of licking fur) |
Synonyms:
hair ball,
hairball |
|---|
| trichodesmium
|
(noun) large colonial bacterium common in tropical open-ocean waters; important in carbon and nitrogen fixation |
- |
|---|
| trichomonad
|
(noun) cause of trichomoniasis in women and cattle and birds |
- |
|---|
| trichomoniasis
|
(noun) infection of the vagina |
- |
|---|
| trichopteran
|
(noun) caddis fly |
Synonyms:
trichopteron,
trichopterous insect |
|---|
| trichopteron
|
(noun) caddis fly |
Synonyms:
trichopteran,
trichopterous insect |
|---|
| trichotillomania
|
(noun) an irresistible urge to pull out your own hair |
- |
|---|
| trichotomy
|
(noun) being threefold; a classification into three parts or subclasses |
- |
|---|
| trichroism
|
(noun) pleochroism of a crystal so that it exhibits three different colors when viewed from three different directions |
- |
|---|
| trichromacy
|
(noun) the normal ability to see colors |
Synonyms:
chromatic vision,
color vision |
|---|
| trichuriasis
|
(noun) infestation by a roundworm; common in tropical areas with poor sanitation |
- |
|---|
| trick
|
(noun) a cunning or deceitful action or device |
Synonyms:
fast one |
|---|
| (noun) a period of work or duty |
- |
| (noun) an attempt to get you to do something foolish or imprudent |
- |
| (noun) a ludicrous or grotesque act done for fun and amusement |
Synonyms:
joke,
prank,
put-on,
caper,
antic |
| (noun) an illusory feat; considered magical by naive observers |
Synonyms:
illusion,
magic,
magic trick,
deception,
conjuration,
conjuring trick,
thaumaturgy,
legerdemain |
| (noun) a prostitute's customer |
Synonyms:
john,
whoremaster,
whoremonger |
| (noun) (card games) in a single round, the sequence of cards played by all the players; the high card is the winner |
- |
| tricker
|
(noun) someone who plays practical jokes on others |
Synonyms:
hoaxer,
practical joker,
prankster,
cut-up,
trickster |
|---|
| trickery
|
(noun) verbal misrepresentation intended to take advantage of you in some way |
Synonyms:
jiggery-pokery,
hanky panky,
hocus-pocus,
skulduggery,
skullduggery,
slickness |
|---|
| (noun) the use of tricks to deceive someone (usually to extract money from them) |
Synonyms:
guile,
wile,
shenanigan,
chicane,
chicanery |
| trickiness
|
(noun) the quality of being a slippery rascal |
Synonyms:
rascality,
shiftiness,
slipperiness |
|---|
| (noun) the quality of requiring skill or caution |
- |
| trickle
|
(noun) flowing in drops; the formation and falling of drops of liquid |
Synonyms:
dribble,
drip |
|---|
| trickster
|
(noun) someone who plays practical jokes on others |
Synonyms:
hoaxer,
practical joker,
prankster,
cut-up,
tricker |
|---|
| (noun) someone who leads you to believe something that is not true |
Synonyms:
cheat,
slicker,
deceiver,
cheater,
beguiler |
| (noun) a mischievous supernatural being found in the folklore of many primitive people; sometimes distinguished by prodigious biological drives and exaggerated bodily parts |
- |
| triclinium
|
(noun) a dining room (especially a dining room containing a dining table with couches along three sides) |
- |
|---|
| (noun) a dining table with couches along three sides in ancient Rome |
- |
| tricolor
|
(noun) a flag having three colored stripes (especially the French flag) |
Synonyms:
tricolour |
|---|
| tricolour
|
(noun) a flag having three colored stripes (especially the French flag) |
Synonyms:
tricolor |
|---|
| tricorn
|
(noun) cocked hat with the brim turned up to form three points |
Synonyms:
tricorne |
|---|
| tricorne
|
(noun) cocked hat with the brim turned up to form three points |
Synonyms:
tricorn |
|---|
| tricot
|
(noun) a knitted fabric or one resembling knitting |
- |
|---|
| tricycle
|
(noun) a vehicle with three wheels that is moved by foot pedals |
Synonyms:
velocipede,
trike |
|---|
| tricyclic
|
(noun) an antidepressant drug that acts by blocking the reuptake of norepinephrine and serotonin and thus making more of those substances available to act on receptors in the brain |
Synonyms:
tricyclic antidepressant,
tricyclic antidepressant drug |
|---|
| trident
|
(noun) a spear with three prongs |
- |
|---|
| tridymite
|
(noun) a mineral form of silica |
- |
|---|
| triennial
|
(noun) the 300th anniversary (or the celebration of it) |
Synonyms:
tercentenary,
tercentennial |
|---|
| trier
|
(noun) one (as a judge) who examines and settles a case |
- |
|---|
| (noun) one who tries |
Synonyms:
essayer,
attempter |
| trifle
|
(noun) a cold pudding made of layers of sponge cake spread with fruit or jelly; may be decorated with nuts, cream, or chocolate |
- |
|---|
| (noun) a detail that is considered insignificant |
Synonyms:
triviality |
| (noun) something of small importance |
Synonyms:
triviality,
small beer,
trivia |
| trifler
|
(noun) one who behaves lightly or not seriously |
- |
|---|
| trifling
|
(noun) the deliberate act of delaying and playing instead of working |
Synonyms:
dalliance,
dawdling |
|---|
| trifluoromethane
|
(noun) colorless gas haloform CHF3 (similar to chloroform) |
Synonyms:
fluoroform |
|---|
| trifoliata
|
(noun) small fast-growing spiny deciduous Chinese orange tree bearing sweetly scented flowers and decorative but inedible fruit: used as a stock in grafting and for hedges |
Synonyms:
Poncirus trifoliata,
wild orange,
trifoliate orange |
|---|
| trifurcation
|
(noun) the act of splitting into three branches |
- |
|---|
| trig
|
(noun) the mathematics of triangles and trigonometric functions |
Synonyms:
trigonometry |
|---|
| trigeminal
|
(noun) the main sensory nerve of the face and motor nerve for the muscles of mastication |
Synonyms:
nervus trigeminus,
fifth cranial nerve,
trigeminal nerve,
trigeminus |
|---|
| trigeminus
|
(noun) the main sensory nerve of the face and motor nerve for the muscles of mastication |
Synonyms:
nervus trigeminus,
fifth cranial nerve,
trigeminal,
trigeminal nerve |
|---|
| trigger
|
(noun) lever that activates the firing mechanism of a gun |
Synonyms:
gun trigger |
|---|
| (noun) a device that activates or releases or causes something to happen |
- |
| (noun) an act that sets in motion some course of events |
Synonyms:
induction,
initiation |
| triggerfish
|
(noun) any of numerous compressed deep-bodied tropical fishes with sandpapery skin and erectile spines in the first dorsal fin |
- |
|---|
| triggerman
|
(noun) a professional killer who uses a gun |
Synonyms:
gun,
shooter,
torpedo,
hired gun,
hit man,
hitman,
gun for hire,
gunman,
gunslinger |
|---|
| triglyceride
|
(noun) glyceride occurring naturally in animal and vegetable tissues; it consists of three individual fatty acids bound together in a single large molecule; an important energy source forming much of the fat stored by the body |
- |
|---|
| trigon
|
(noun) a three-sided polygon |
Synonyms:
triangle,
trilateral |
|---|
| (noun) (astrology) one of four groups of the zodiac where each group consists of three signs separated from each other by 120 degrees |
Synonyms:
triplicity |
| (noun) a triangular lyre of ancient Greece and Rome |
- |
| trigonometrician
|
(noun) a mathematician specializing in trigonometry |
- |
|---|
| trigonometry
|
(noun) the mathematics of triangles and trigonometric functions |
Synonyms:
trig |
|---|
| trigram
|
(noun) a word that is written with three letters in an alphabetic writing system |
- |
|---|
| triiodomethane
|
(noun) a yellowish crystalline solid with a penetrating odor; sometimes used as an antiseptic dressing |
Synonyms:
iodoform |
|---|
| triiodothyronine
|
(noun) thyroid hormone similar to thyroxine but with one less iodine atom per molecule and produced in smaller quantity; exerts the same biological effects as thyroxine but is more potent and briefer |
Synonyms:
T,
liothyronine |
|---|
| trike
|
(noun) a vehicle with three wheels that is moved by foot pedals |
Synonyms:
velocipede,
tricycle |
|---|
| trilateral
|
(noun) a three-sided polygon |
Synonyms:
trigon,
triangle |
|---|
| trilby
|
(noun) a hat made of felt with a creased crown |
Synonyms:
homburg,
Stetson,
fedora,
felt hat |
|---|
| trill
|
(noun) a note that alternates rapidly with another note a semitone above it |
Synonyms:
shake |
|---|
| (noun) the articulation of a consonant (especially the consonant `r') with a rapid flutter of the tongue against the palate or uvula |
- |
| trillion
|
(noun) a very large indefinite number (usually hyperbole) |
Synonyms:
zillion,
jillion,
million,
gazillion,
bazillion,
billion |
|---|
| (noun) the number that is represented as a one followed by 18 zeros in the UK |
Synonyms:
one million million million |
| (noun) the number that is represented as a one followed by 12 zeros |
Synonyms:
1000000000000,
one million million |
| trillionth
|
(noun) one part in a trillion equal parts |
Synonyms:
one-trillionth |
|---|
| trillium
|
(noun) any liliaceous plant of the genus Trillium having a whorl of three leaves at the top of the stem with a single three-petaled flower |
Synonyms:
wake-robin,
wood lily |
|---|
| trilobite
|
(noun) an extinct arthropod that was abundant in Paleozoic times; had an exoskeleton divided into three parts |
- |
|---|
| trilogy
|
(noun) a set of three literary or dramatic works related in subject or theme |
- |
|---|
| trim
|
(noun) a state of arrangement or appearance |
Synonyms:
trimness |
|---|
| (noun) a decoration or adornment typically on the edge of a garment |
Synonyms:
trimming,
passementerie |
| (noun) attitude of an aircraft in flight when allowed to take its own orientation |
- |
| (noun) cutting down to the desired size or shape |
Synonyms:
clipping,
trimming |
| trimaran
|
(noun) a fast sailboat with 3 parallel hulls |
- |
|---|
| trimer
|
(noun) a polymer (or a molecule of a polymer) consisting of three identical monomers |
- |
|---|