wash-out

wash-out (n.): also washout, 1877, "act of washing out" (a drain, etc.), from verbal phrase; see wash (v.) + out (adv.). From 1873 as "excavation of a roadbed, etc., by erosion" is from 1873. Meaning "a disappointing failure" is from 1902, from verbal phrase wash out "obliterate, cancel" (something written in ink), attested from 1570s. Hence also the colloquial sense of "to call off (an event) due to bad weather, etc." (1917). Of colored material, washed-out "faded" is from 1837.

Such observation could not wash out the interference pattern.: 这样的观察当然不可能消除掉干涉图样.

A porous pellet was fabricated by the well - known wash - out process.: 用熟知的浸洗办法制出带孔的药丸.

But the picture wash out, really have a bit east Shi demeanor.: 但照片洗出来, 还真的有点东施的风范.

I want to wash out oneself, actually how also washes not cleanly.: 我想冲刷一下自己, 却怎么也洗不干净.