英语词汇“threshold lights”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词

threshold lights

释义

threshold /threshˈōld, -hōld/

noun

The sill of a house door
The place or point of entering
The outset
The limit of consciousness
The point at which a stimulus begins to bring a response, as in threshold of pain, etc
The smallest dose of radiation that will produce a specified result
The point, stage, level, etc, at which something will happen, become true, etc
(in a pay agreement, etc) a point in the rise of the cost of living at which a wage-increase is prescribed

adjective

At or constituting a threshold

ORIGIN: OE therscold, therscwald, threscold, appar from therscan to thrash, thresh, in its older sense of trample, tread

threshold dose noun (radiology)

The smallest dose of radiation that will produce a specified result

threshold lighting or threshold lights noun

A line of lights across the ends of a runway or landing area to indicate the usable limits

threshold of audibility or sound

The minimum intensity or pressure of sound wave which the normal human listener can just detect at any given frequency

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