单词 | lag |
释义 | lag1/laɡ![]() verb (lags, lagging, lagged) [no object] 1Fail to keep up with another or others in movement or development: they waited for Tim who was lagging behind...
Synonyms fall behind, straggle, fall back, trail (behind), linger, dally, dawdle, hang back, delay, move slowly, loiter, drag one's feet, take one's time, not keep pace, idle, dither, saunter, bring up the rear informal dilly-dally, shilly-shally archaic or literary tarry 2 Billiards, North American another term for string (sense 6 of the verb). noun 1 (also time lag) A period of time between one event and another: a time lag between infection and symptoms...
2 Physics A retardation in an electric current or movement.With a longitudinal bias field, there was a lag of about 3.5 ns as the magnetization responded to the switching pulse. DerivativeslaggerOriginEarly 16th century (as a noun in the sense 'hindmost person in a game, race, etc.', also 'dregs'): related to the dialect adjective lag (perhaps from a fanciful distortion of last1, or of Scandinavian origin: compare with Norwegian dialect lagga 'go slowly'). Rhymeslag2/laɡ![]() verb (lags, lagging, lagged) [with object] Enclose or cover (a boiler, pipes, etc.) with material that provides heat insulation: all pipes and tanks in the attic should be lagged (as adjective lagged) a lagged hot-water tank...
Derivativeslagger
OriginLate 19th century: from earlier lag 'piece of insulating cover'. lag3/laɡ![]() British informal noun A person who has been frequently convicted and sent to prison: both old lags were sentenced to ten years' imprisonment...
verb (lags, lagging, lagged) [with object] archaic Arrest or send to prison: they were nearly lagged by the constables OriginLate 16th century (as a verb in the sense 'carry off, steal'): of unknown origin. Current senses date from the 19th century. |
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