respirator
UK[ˈrɛspəreɪtə]US[ˈrɛspəreɪtər]
n
a device worn over the nose and mouth to protect the wearer from inhaling dust, smoke, or other harmful substances or to provide them with oxygen or medicated air.
n
a device used to maintain artificial breathing for a person who cannot breathe independently.
Morpheme Breakdown
respir
ator
respir
breathe
ator
agent/device
Etymology
The word 'respirator' is a modern scientific term built directly from classical Latin components. Its core, respirare, itself is a compound of the Latin prefix re- (meaning 'again' or 'back') and spirare (meaning 'to breathe'), suggesting the cyclical process of breathing in and out. The suffix -ator was a standard Latin agentive ending, used to form nouns indicating an actor or tool. Thus, the literal construction yields "a thing that performs breathing." This logic perfectly describes its modern function: a device that either facilitates the act of breathing for a patient or performs the action of filtering breath for a worker, directly extending the ancient meaning into the realm of medical and protective technology.
Analysis
Structure: respir (breathe) + ator (agent/device)
- respir: From Latin respirare (to breathe out, to breathe again). The functional role is the core verb root meaning "to breathe".
- ator: A Latin agent noun suffix (equivalent to -er in English), indicating a person or thing that performs the action. Its functional role is to form a noun denoting an agent or instrument.
Examples
The firefighter put on his respirator before entering the smoke-filled building.
In the hospital ICU, the patient was connected to a respirator to assist with lung function.
Industrial workers handling hazardous chemicals are required to wear approved respirators.