英语词源字典 - 在线词源网站

torrefy [torrefy 词源字典]: "Roast, scorch, or dry (a substance such as an ore, a drug, or a fuel) with heat to drive off all moisture or impurities", Early 17th century: from French torréfier, from Latin torrefacere 'dry by heat', from torrere 'parch, scorch'.[torrefy etymology, torrefy origin, 英语词源]
trug: "A shallow oblong basket made of strips of wood, traditionally used for carrying garden flowers and produce", Late Middle English (denoting a basin): perhaps a dialect variant of trough.
t.i.d.: "(In prescriptions) three times a day", From Latin ter in die.
thymocyte: "A lymphocyte within the thymus gland", 1920s: from thymus + -cyte.
tragacanth: "A white or reddish plant gum, used in the food, textile, and pharmaceutical industries", Late 16th century: from French tragacante, via Latin from Greek tragakantha 'goat's thorn', from tragos 'goat' (because it is browsed by goats) + akantha 'thorn' (referring to the shrub's spines).
tritanopia: "A rare form of colour blindness resulting from insensitivity to blue light, causing confusion of greens and blues", Early 20th century: from trito- 'third' (referring to blue as the third colour in the spectrum) + an-¹ 'without' + -opia.
tautochrone: "A curve upon which a body moving under gravity or another force will reach the lowest point (or some other fixed point) in the same amount of time, regardless of the point from which it starts", Late 18th cent.; earliest use found in Oliver Goldsmith (?1728–1774), author. From French tautochrone from post-classical Latin tautochronus, adjective from tauto- + ancient Greek χρόνος time.
tra la: "Expressing joy or gaiety", Early 19th century: imitative of a fanfare or of the refrain of a song.
tuberous: "Of the nature of a tuber", Mid 17th century: from French tubéreux or Latin tuberosus, from tuber (see tuber).
twilit: "Dimly illuminated by or as if by twilight", Mid 19th century: past participle of the literary verb twilight.
tricolour: "A flag with three bands or blocks of different colours, especially the French national flag with equal upright bands of blue, white, and red", Late 18th century: from French tricolore, from late Latin tricolor (see tri-, colour).
tragedienne: "An actress who specializes in tragic roles", Mid 19th century: from French tragédienne, feminine of tragédien.
tyrannicide: "The killing of a tyrant", Mid 17th century: from French, from Latin tyrannicida 'killer of a tyrant', tyrannicidium 'killing of a tyrant' (see tyrant, -cide).
trade wind: "A wind blowing steadily towards the equator from the north-east in the northern hemisphere or the south-east in the southern hemisphere, especially at sea. Two belts of trade winds encircle the earth, blowing from the tropical high-pressure belts to the low-pressure zone at the equator", Mid 17th century: from the phrase blow trade 'blow steadily in the same direction'. Because of the importance of these winds to navigation, 18th-century etymologists were led erroneously to connect the word trade with ‘commerce’.
trochal disc: "(In a rotifer) a ring of cilia that is used in feeding and (in most kinds) swimming", Mid 19th century: trochal from Greek trokhos 'wheel' + -al.
terce: "A service forming part of the Divine Office of the Western Christian Church, traditionally said (or chanted) at the third hour of the day (i.e. 9 a.m.)", Late Middle English: from Old French, from Latin tertia, feminine of tertius 'third'. Compare with tierce.
tannic: "Relating to or resembling tannin", Mid 19th century: from French tannique, from tanin (see tannin).
temenos: "A piece of ground surrounding or adjacent to a temple; a sacred enclosure or precinct", Early 19th century: from Greek, from the stem of temnein 'cut off'.
tridactyl: "(Of a vertebrate limb) having three toes or fingers", Early 19th century: from tri- 'three' + Greek daktulos 'finger'.
taximeter: "A device used in taxis that automatically records the distance travelled and the fare payable", Late 19th century: from French taximètre, from taxe 'tariff', from the verb taxer 'to tax' + -mètre '(instrument) measuring'.