English Reference

Word

metabolic

Phoneticsmeta·bol·ic

US/ˌmɛtəˈbɑɫɪk/

UK/mˌɛtəbˈɒlɪk/

Definitions

01relating to metabolism

B2 · Science

adj. relating to the way your body uses food and oxygen to create energy.

adj. pertaining to the chemical processes occurring within a living cell or organism that are necessary for the maintenance of life.

“Exercise can help increase your metabolic rate, which means you burn more calories.”

“The patient was diagnosed with a metabolic disorder that prevented his body from correctly processing certain types of proteins found in dairy.”

Technical

Usage

Commonly used in the phrase 'metabolic rate' or 'metabolic process'.

02relating to change

C2 · Science

adj. relating to a big change in form, like a caterpillar turning into a butterfly.

adj. relating to or involving metamorphosis or structural change.

“The insect goes through several metabolic stages before it becomes an adult.”

“The study tracked the metabolic transformations of the larvae as they transitioned through various instars toward pupation.”

Technical · Formal

Usage

Primarily used in biology and entomology to describe physical development.

03a supplement

C1

n. a pill or powder you take to help your body's energy levels.

n. a nutritional or dietary supplement intended to influence the body's chemical processes.

“He started taking a new metabolic to help him lose weight faster.”

“The athlete was cautioned against using unregulated metabolics that might contain substances banned by the anti-doping agency.”

Informal · Slang

Teaching tip

This noun use is quite niche and mostly found in fitness or bodybuilding communities; 'supplement' is the standard term.

Real-World Examples

“Working together with indigestible plant fiber, they can also change the metabolic activity of gut bacteria in ways that favor the production of beneficial phenols.”
ScienceDaily · 15 Aug 2026
“Every memory we retrieve, every decision we make and every creative insight carries a metabolic cost.”
The Guardian · 9 Aug 2026

Etymology

See metabolism.

Etymology adapted from Wiktionary, available under CC BY-SA 4.0.

Word family

metabolicAdjectivemetabolismNoun

This entry

Level
C1 · Advanced
Frequency
Frequent
Updated

Scan code

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English Reference