Browse by letter

English Words Starting With T

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

Filter

Parts of speech

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

tricuspid
adjectivenounC2
/traɪˈkʌspɪd/Having three cusps or points.
tricuspid valve
nounTechnical
/traɪˈkʌspɪd vælv/A heart valve with three cusps or flaps located between the right atrium and the right ventricle, preventing backflow of blood.
tricyanic acid
nounTechnical
/traɪˈsaɪ.ə.nɪk ˈæs.ɪd/A cyclic chemical compound with the formula (HNCO)3, also known as cyanuric acid.
tricycle
nounverbB1
/ˈtraɪ.sɪ.kəl/A three-wheeled vehicle, typically pedal-driven, used by young children before they learn to ride a bicycle.
tricyclic
adjectivenounC2
/traɪˈsaɪ.klɪk/Having three rings or cycles in the molecular structure.
tridacna
nounC2
/traɪˈdæk.nə/A very large marine bivalve mollusk of the family Tridacnidae, found in the Indo-Pacific region; a giant clam.
tridarn cupboard
nounVery Low / Rare
/ˌtraɪ.dɑːn ˈkʌb.əd/A type of tall cupboard, often Welsh in origin, with three distinct sections or tiers, typically consisting of a lower cupboard, a central section with drawers and/or doors, and an upper, often open, shelved section known as a 'tridarn' or 'cwyd'.
trident
adjectivenounLow
/ˈtraɪ.dənt/A three-pronged spear, historically associated with the sea god Poseidon or Neptune.
tridentine
adjectivenounC2
/traɪˈden.taɪn/Related to the Council of Trent (1545–1563) and its decrees, which defined Roman Catholic doctrine and practice in response to the Protestant Reformation.
tridentum
nounVery low
/trɪˈdɛntəm/The Latin name for the city of Trento in Italy.
triduum
nounrare
/ˈtrɪdjuːəm/A period of three days of prayer or religious observance, especially in Christian liturgy.
tridymite
nounVery low (Rare technical term)
/ˈtrɪdɪmʌɪt/A rare, high-temperature crystalline form of silicon dioxide (SiO₂), a type of mineral.
tried
adjectiveverbA1
/traɪd/Past tense and past participle of 'try' – to make an attempt or effort to do something.
triella
nounExtremely Low / Obscure
/traɪˈɛlə/A rare, specific term for a three-part structure, sequence, or event, often used in specialized contexts like games, literature, or formal ceremonies.
triene
nounLow
/ˈtraɪiːn/A hydrocarbon compound containing three carbon-carbon double bonds.
triennial
adjectivenounLow to Mid
/traɪˈen.i.əl/Lasting for three years, or happening every three years.
triennium
nounC2
/traɪˈen.i.əm/A period of three years.
triens
nounRare
/ˈtraɪ.ənz/A Roman bronze coin worth one-third of an as.
trient
nounExtremely Rare / Obsolete
/ˈtraɪənt/A historical unit of liquid or dry measure, equal to one-third of a larger unit, or one-third of something.
trier
nounC1-C2
/ˈtraɪ.ər/A person who consistently makes an effort, especially when faced with difficulty.

Showing 5641–5660 of 7190 words.