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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)

thoracostomy
nounVery Low
/ˌθɒr.əˈkɒs.tə.mi/A surgical procedure to create an opening into the chest cavity, typically to drain fluid or air.
thoracotomy
nounLow
/ˌθɒr.əˈkɒt.ə.mi/A surgical incision made through the chest wall to gain access to the thoracic cavity.
thorax
nounC1
/ˈθɔː.ræks/The part of the body between the neck and the abdomen, enclosed by the ribs; the chest cavity.
thoreau
nounC2
/ˈθɔːrəʊ/Proper noun referring to the 19th-century American author, philosopher, and naturalist Henry David Thoreau, best known for his book 'Walden' and his essay 'Civil Disobedience'.
thorez
nounVery low
/ˈθɔːrɛz/A French surname.
thorfinn karlsefni
nounVery Low (historical proper noun)
/ˈθɔːfɪn ˈkɑːlsɛfni/The name of a 10th–11th century Icelandic explorer who led an attempt to establish a Norse settlement in North America, known as Vinland.
thoria
nounLow
/ˈθɔːrɪə/Thorium dioxide, a white crystalline powder and the most stable oxide of thorium, used in ceramics and as a refractory material.
thorianite
nounTechnical
/θɔːriəˈnaɪt/A rare mineral composed of thorium dioxide.
thorite
nounExtremely Rare
/ˈθɔːraɪt/A rare, radioactive mineral composed primarily of thorium silicate (ThSiO₄).
thorium
nounlow
/ˈθɔː.ri.əm/A weakly radioactive, silvery metallic chemical element with atomic number 90.
thorium dioxide
nounC2 (Very Low Frequency)
/ˌθɔːriəm daɪˈɒksaɪd/A white crystalline compound composed of thorium and oxygen (ThO2).
thorium series
nounLow
/ˈθɔːrɪəm ˈsɪəriːz/A naturally occurring, radioactive decay chain starting with the isotope thorium-232.
thorn
nounverb-transitiveB1
/θɔːn/A stiff, sharp-pointed projection on a plant stem.
thorn apple
nounLow
/θɔːn ˈæpəl/A plant of the genus Datura, characterized by spiny fruit and toxic properties.
thorn moth
nounRare
/ˈθɔːn ˌmɒθ/A moth species (Chionodes distinctella) whose larvae feed on blackthorn and other trees.
thornback
nounLow
/ˈθɔːnbæk/A type of ray fish (Raja clavata) characterized by thorn-like spines on its back.
thornbill
nounLow. Primarily used in ornithological, birdwatching, and Australian ecological contexts. Uncommon in general English.
/ˈθɔːn.bɪl/A small, insectivorous Australian bird of the genus Acanthiza, characterized by a thin, pointed bill.
thornbush
nounC1/C2
/ˈθɔːnbʊʃ/A bush or shrub that has sharp, stiff, pointed projections (thorns) on its stems or branches.
thorndike
nounLow
/ˈθɔːn daɪk/A surname, most commonly referring to Edward L. Thorndike, an influential American psychologist known for his work in learning theory.
thornhill
nounVery Low
/ˈθɔːnhɪl/A toponym, primarily used as a proper noun (place name and surname), derived from the combination of 'thorn' (a spiny bush/tree) and 'hill' (an elevated landform).

Showing 2741–2760 of 7190 words.