[ res-puh-rey-ter ]
See synonyms for respirator on
  1. a masklike device, usually of nonwoven fibrous materials, as fiberglass paper, wool felt, or polypropylene, worn over the mouth, or nose and mouth, to prevent the inhalation of noxious substances, pathogens, or the like: Respirators are essential protective equipment for healthcare providers during an outbreak.

  2. Medicine/Medical. ventilator (def. 3).

  1. British. gas mask.

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Origin of respirator

First recorded in 1835–40; from Latin respīrāt(us), past participle of respīrāre “to recover one's breath” + -or agent suffix; see origin at respire, -or2

Words Nearby respirator Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use respirator in a sentence

British Dictionary definitions for respirator


/ (ˈrɛspəˌreɪtə) /

  1. an apparatus for providing long-term artificial respiration

  2. Also called: gas mask a device worn over the mouth and nose to prevent inhalation of noxious fumes or to warm cold air before it is breathed

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012