Clearance

['klɪər(ə)ns] or ['klɪrəns]

解释:

(noun.) permission to proceed; 'the plane was given clearance to land'.

(noun.) the distance by which one thing clears another; the space between them.

整理:纳撒尼尔--From WordNet

解释:

(n.) The act of clearing; as, to make a thorough clearance.

(n.) A certificate that a ship or vessel has been cleared at the customhouse; permission to sail.

(n.) Clear or net profit.

(n.) The distance by which one object clears another, as the distance between the piston and cylinder head at the end of a stroke in a steam engine, or the least distance between the point of a cogwheel tooth and the bottom of a space between teeth of a wheel with which it engages.

整理:卢修斯

同义词及近义词：

n. [1]. Discharge, release, exoneration, acquittal.[2]. (Com.) Permission to leave port, permission to sail.

昌西整理