pulse glass

English dictionary entry

Meanings

noun
  1. An instrument consisting of a glass tube with terminal bulbs, and containing ether or alcohol, which the heat of the hand causes to boil.

Word forms

pulse glass pulse glasses

Etymology

So called from the pulsating motion of the liquid when it is warmed.

This entry uses open data from Wiktionary (CC BY-SA/GFDL). Word forms are used for search and are not indexed as separate pages.