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单词 bunsen burner
释义

WordReference Random House Learner's Dictionary of American English © 2024
Bun•sen burn•er /ˈbʌnsən ˌbɜrnɚ/USA pronunciation  n. [countable]
  1. Chemistrya gas burner with a hot flame, commonly used in chemical laboratories.

WordReference Random House Unabridged Dictionary of American English © 2024
Bun′sen burn′er, 
  1. Chemistrya type of gas burner, commonly used in chemical laboratories, with which a very hot, practically nonluminous flame is obtained by allowing air to enter at the base and mix with the gas.
  • named after R. west, western. Bunsen 1865–70

Collins Concise English Dictionary © HarperCollins Publishers::
Bunsen burner /ˈbʌnsən/ n
  1. a gas burner, widely used in scientific laboratories, consisting of a metal tube with an adjustable air valve at the base
Etymology: 19th Century: named after R. W. Bunsen
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更新时间：2025/7/23 18:56:04