thread

英 [θred] 美[θr?d]

CET4TEM4GRE考研TOEFLCET6中低頻詞核心詞匯

復(fù)數(shù):?threads;第三人稱單數(shù):?threads;過去式:?threaded;現(xiàn)在分詞:?threading;

thread 線，線索，脈絡(luò)

來自古英語 thraed,線，繩索，來自 Proto-Germanic*threduz,紡線，編線，來自 PIE*tere,彎，轉(zhuǎn)，編織，詞源同 turn,throw.引申詞義線索，脈絡(luò)等。

thread: thread: [OE] A thread is etymologically something ‘twisted’. The word comes from a prehistoric Germanic *thr?thuz, which was derived from the base *thr?- ‘twist’ (source also of English throw). Other descendants of *thr?thuz include Dutch draad, Swedish tr?d, and Danish traad ‘thread’ and German draht ‘wire’.
=> throw
thread (n.): Old English tr?d "fine cord, especially when twisted" (related to trawan "to twist"), from Proto-Germanic *thredu- "twisted yarn" (cognates: Old Saxon thrad, Old Frisian thred, Middle Dutch draet, Dutch draad, Old High German drat, German Draht, Old Norse traer), literally "twisted," from suffixed form of PIE root *tere- (1) "to rub, rub by turning, turn" (see throw (v.)). Meaning "spiral ridge of a screw" is from 1670s. Threads, slang for "clothes" is 1926, American English.
The silk line, as spun by the worm, is about the 5000th part of an inch thick; but a spider's line is perhaps six times finer, or only the 30,000th part of an inch in diameter, insomuch, that a single pound of this attenuated substance might be sufficient to encompass our globe. [John Leslie, "Elements of Natural Philosophy," Edinburgh, 1823]
thread (v.): "to put thread through a needle," mid-14c., from thread (n.); in reference to film cameras from 1913. The dancing move called thread the needle is attested from 1844. Related: Threaded; threading.

1. A thin, glistening thread of moisture ran along the rough concrete sill.: 在粗糙不平的水泥窗臺上有一條細(xì)細(xì)的發(fā)光水印。

3. A ratchet mechanism transfers the thread from spool to bobbin.: 一種棘齒裝置把線從線軸轉(zhuǎn)到梭心上。