respiration

B2 Topic:Biology & Genetics

US /ɹɛspɪˈɹeɪʃən/ See IPA manual

Freq #22530

Meanings

1

noun
The process of breathing in and out.

The doctor checked the patient's respiration and heart rate.
2

noun
A single complete breath in and out.

A resting adult takes about twelve to twenty respirations per minute.
3

noun
The biological process by which cells release energy from food using oxygen.

In biology class we learned how respiration turns sugar into energy inside our cells.

Thesaurus

Synonyms

1 noun · the process of breathing in... breathing ventilation

3 noun · the biological process by... cellular respirationmetabolism

Word family

Forms respirations

Derived forms chlororespirationphotorespirationrespirational

Related forms respire

Appears in

Phrases (1)

See all

cellular respiration
chemical processes within cells that release usable energy from nutrients

Adjective + noun

Etymology

From Middle English respiracioun, borrowed from Latin respīrātiō, respīrātiōnem.

respiracioun Middle English respiratio Latin

View etymology graph ->

Topics

Biology & Genetics Actions & Processes

External links

# respiration

**Type:** Word
**Level:** B2
**Part of speech:** noun
**IPA (US):** /ɹɛspɪˈɹeɪʃən/
**Frequency rank:** 22530

## Meanings
1. The process of breathing in and out.
2. A single complete breath in and out.
3. The biological process by which cells release energy from food using oxygen.

## Examples
- The doctor checked the patient's respiration and heart rate.
- A resting adult takes about twelve to twenty respirations per minute.
- In biology class we learned how respiration turns sugar into energy inside our cells.

## Derived Forms
- chlororespiration
- photorespiration
- respirational

## Related Forms
- respire

## Roots and Affixes
- Root: respiracioun
- Root: respiratio

## Etymology
From Middle English respiracioun, borrowed from Latin respīrātiō, respīrātiōnem.

## AI Etymology
Respiration comes from Middle English respiracioun, borrowed from Latin respīrātiō, respīrātiōnem. Modern senses include the process of breathing in and out. and a single complete breath in and out.. The wider word family includes derivatives such as chlororespiration, photorespiration, and respirational and related forms such as respire.

## Topics
- Biology & Genetics
- Actions & Processes

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