air sac

A·ïr sac

A a

Transcription

- US Pronunciation
- US IPA
- UK Pronunciation
- UK IPA
- [ah-eer sak]
- /ˈɑ ɪər sæk/
- /eə(r) sæk/

- US Pronunciation
- US IPA
- [ah-eer sak]
- /ˈɑ ɪər sæk/

Definitions of air sac words

noun air sac any of the membranous air-filled extensions of the lungs of birds, which increase the efficiency of gaseous exchange in the lungs 3
noun air sac any of the thin-walled extensions of the tracheae of insects having a similar function 3
noun air sac any of the air-filled cavities in a bird's body, having connections to the lungs 3
noun air sac a sac containing air. 1
noun air sac alveolus (def 2). 1
noun air sac any of certain cavities in a bird's body connected with the lungs. 1

See all 7 definitions of air sac

Information block about the term

Origin of air sac

First appearance:

before 1820

One of the 38% newest English words

First recorded in 1820-30

Historical Comparancy

Parts of speech for Air sac

noun

adjective

verb

adverb

pronoun

preposition

conjunction

determiner

exclamation

Full grammatical hierarchy of Air sac

air sac popularity

A pretty common term. Usually people know it’s meaning, but prefer to use a more spread out synonym. About 53% of English native speakers know the meaning and use word.

This word is included in each student's vocabulary. Most likely there is at least one movie with this word in the title.

air sac usage trend in Literature

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