Twaddell hydrometer

短语

词形变化

Twaddell hydrometers 复数 Twaddell hydrometers

释义与例句

n.
  1. 1.

    A form of hydrometer for liquids heavier than water, graduated with an arbitrary scale such that the readings when multiplied by .005 and added to unity give the specific gravity.

词源

Inventor's surname.

来源：wiktionary