noun · 7 senses · updated from the 2026-07-25 local source snapshot
Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.
Sound
Pronunciation
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/ɹɛspɪˈɹeɪʃən/
Southern-England:Recorded audio is listed in the source snapshot.
rhymes with -eɪʃən
CMU ARPABET:R EH2 S P ER0 EY1 SH AH0 N
Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.
1
noun
Meaning 1
The process of inhaling and exhaling.
Definition source: English Wiktionary via Wiktextract
Usage: uncountable
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: breathing, ventilation
Antonyms: none provided
2
noun
Meaning 2
An act of breathing: a single breath.
Definition source: English Wiktionary via Wiktextract
Usage: countable
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
3
noun
Meaning 3
Any similar process in an organism that lacks lungs that exchanges gases with its environment.
Definition source: English Wiktionary via Wiktextract
Usage: countable, uncountable
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
4
noun
Meaning 4
The process by which cells obtain chemical energy by the consumption of oxygen and the release of carbon dioxide.
Definition source: English Wiktionary via Wiktextract
Usage: countable, uncountable
Examples
Near-synonym: metabolism
Meaning relationships
Synonyms: metabolism
Antonyms: none provided
5
noun
Meaning 5
the metabolic processes whereby certain organisms obtain energy from organic molecules; processes that take place in the cells and tissues during which energy is released and carbon dioxide is produced and absorbed by the blood to be transported to the lungs
Definition source: Princeton WordNet 3.0
No example sentence was provided for this meaning.