Definitions

from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. A respirator that contains a chemical air filter and is worn over the face as protection against toxic gases and aerosols.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. a covering for the face with a filter to protect the user from poisonous gas

Etymologies

Sorry, no etymologies found.

Examples

Sorry, no example sentences found.

Wordnik is becoming a not-for-profit! Read our announcement here.

Comments

Log in or sign up to get involved in the conversation. It's quick and easy.