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English Words Starting With T

7,190 entries — pick a word to see its definition, pronunciation, and usage.

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Noun Verb Adjective Adverb Plural noun Combining form Verb (transitive)Verb (intransitive)Verb (ambitransitive)

trichinosis
nounLow
/ˌtrɪk.ɪˈnəʊ.sɪs/A parasitic disease caused by eating raw or undercooked pork or wild game infected with the larvae of a roundworm (Trichinella spiralis).
trichion
nounLow (Technical)
/ˈtrɪkɪɒn/The point on the forehead where the hairline begins.
trichite
nounRare
/ˈtrɪk.aɪt/A minute, hair-like crystal or needle-shaped mineral inclusion.
trichlorfon
nounVery low
/traɪˈklɔːrfɒn/A synthetic organophosphate insecticide and acaricide.
trichloride
nounVery Low
/traɪˈklɔːraɪd/A chemical compound containing three chlorine atoms per molecule.
trichloroacetaldehyde
nounExtremely Rare
/traɪˌklɔːrəʊˌæsɪˈtældɪhaɪd/A chemical compound formed by reacting chloral with chlorine, specifically the aldehyde with the formula CCl₃CHO.
trichloroacetic acid
nounVery Low
/traɪˌklɔːrəʊəˈsiːtɪk ˈæsɪd/A powerful organic acid used to precipitate proteins and as a caustic agent.
trichloroethane
nounVery Low
/ˌtraɪˌklɔːrəʊˈiːθeɪn/A colorless, volatile chlorinated hydrocarbon with the formula C₂H₃Cl₃, used as a solvent and in industrial cleaning applications.
trichloroethylene
nounC2
/traɪˌklɔːrəʊˈɛθɪliːn/A colourless, volatile, non-flammable liquid with the formula C₂HCl₃, used primarily as an industrial solvent and degreasing agent.
trichlorofluoromethane
nounVery low in everyday language; common in technical and scientific contexts.
/ˌtraɪklɔːrəʊˌflʊərəʊˈmiːθeɪn/A chlorofluorocarbon (CFC) with the formula CCl3F, historically used as a refrigerant and propellant.
trichloromethane
nounC2
/ˌtraɪ.klɔː.rəʊ.ˈmiː.θeɪn/A chemical compound with the formula CHCl₃, also known as chloroform.
trichloromethyl chloroformate
nounRare/Very Specialised
/ˌtraɪˌklɔːrə(ʊ)ˌmɛθɪl ˌklɔːrə(ʊ)ˈfɔːmeɪt/A toxic, colourless organic chemical compound (CCl₃OC(O)Cl), used historically in chemical warfare and as a reagent in organic synthesis.
trichloronitromethane
nounVery rare
/ˌtraɪˌklɔːrəʊˌnaɪtrəʊˈmiːθeɪn/A chemical compound used as a fumigant, specifically a nitromethane derivative with three chlorine atoms.
trichlorophenoxyacetic acid
nounVery Low
/ˌtraɪˌklɔːrəʊfɪˌnɒksɪəˈsiːtɪk ˈæsɪd/A synthetic herbicide and plant growth regulator, a chlorinated derivative of phenoxyacetic acid.
trichocyst
nounVery Low
/ˈtrɪkə(ʊ)sɪst/A specialized, thread-like organelle in certain microorganisms, used for defense or prey capture.
trichogramma
nounVery Low
/ˌtrɪkə(ʊ)ˈɡramə/A genus of minute parasitic wasps whose larvae develop inside the eggs of other insects.
trichogyne
nounExtremely Rare (Scientific Niche)
/ˈtrɪkədʒaɪn/A slender, hair-like receptive filament that extends from the female reproductive structure (the carpogonium) in certain algae, fungi, and lichens, through which the male gamete (spermatium) enters during fertilization.
trichology
nounC1
/trɪˈkɒlədʒi/The branch of medical and cosmetic study and practice concerned with the health of the hair and scalp.
trichome
nounC2
/ˈtrɪk.əʊm/A small hair or hairlike outgrowth from the epidermis of a plant, algae, lichen, or certain protists.
trichomonad
nounVery Rare
/ˌtrɪkə(ʊ)ˈməʊnad/A parasitic protozoan of the genus Trichomonas.

Showing 5581–5600 of 7190 words.