sillometer

名词 n.
中文释义

英文释义

名词 n.
  1. A 19th-century device for measuring the speed of a ship without using a log-line. historical
    — It is moved by a paddle, that may be placed under the keel at will, and is supported by a plug sliding in a tube like that of the sillometer, but turning with the paddle and the rod.

词形变化

sillometers plural

词源

Borrowed from French siller (“to make way”) + -meter.
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