English Reference

Word

biotic

Phoneticsbi·ot·ic

UK/baɪˈɒtɪk/

Definition

adj. relating to living things in nature, such as plants, animals, and microbes. You use it to talk about parts of an environment that are alive or come from living things.

adj. relating to living organisms or the effects of their activity within an ecosystem. Frequently contrasted with abiotic, which covers non-living physical factors such as light, water, and temperature.

Examples

“Trees and birds are biotic parts of the forest.”

“The pond study lists fish and algae as biotic factors that shape water quality.”

“The researchers separated biotic pressures, such as grazing and disease, from abiotic pressures like drought when explaining the grassland decline.”

Examples

simple

“Trees and birds are biotic parts of the forest.”

contextual

“The pond study lists fish and algae as biotic factors that shape water quality.”

complex

“The researchers separated biotic pressures, such as grazing and disease, from abiotic pressures like drought when explaining the grassland decline.”

Collocations

Common phrases and expressions where native English speakers use the word “biotic” in context.

Verb

01. assess biotic

“Scientists assess biotic health by sampling insects and plants.”

verb + adj

02. depend on biotic

“Crop yields depend on biotic processes like pollination and decay.”

verb + prep + adj

Adjective

03. biotic community

“The pond supports a diverse biotic community of fish and insects.”

adj + noun

04. biotic component

“Fungi are an essential biotic component of healthy forest soil.”

adj + noun

05. biotic diversity

“Conservation efforts aim to protect biotic diversity in rainforests.”

adj + noun

06. biotic factor

“Predation is a key biotic factor that controls rabbit populations.”

adj + noun

07. biotic interaction

“Pollination is a vital biotic interaction between bees and flowers.”

adj + noun

Noun

08. biotic index of

“Researchers used the biotic index of the stream to check pollution.”

adj + noun + prep

09. biotic integrity of

“We measured the biotic integrity of the river using fish counts.”

adj + noun + prep

10. biotic origin of

“Coal is a fuel of ancient biotic origin from decayed plants.”

adj + noun + prep

11. assess biotic integrity

“Ecologists regularly assess biotic integrity to monitor river health.”

12. biotic and abiotic factors

“Plant growth is shaped by both biotic and abiotic factors.”

Usage

Typically placed before the noun it modifies, most often in the collocation 'biotic factors'.

Etymology

From Ancient Greek βιωτικός (biōtikós, “of life”), from βίος (bíos, “life”). Equivalent to bio- + -otic.

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

Word family

ADJECTIVE

biotic(C1)

Domain

Biology

This entry

Exam level
CambridgeCambridgeCambridge English QualificationsThe exam suite from Cambridge University Press & Assessment, from A1 Movers up to C2 Proficiency. The benchmark names double as CEFR labels.C1 AdvancedIELTSIELTSInternational English Language Testing SystemThe 0–9 band test co-owned by the British Council, IDP, and Cambridge. Used for university entry, work, and migration.7.0–8.0TOEFL iBTTOEFL iBTTest of English as a Foreign Language, Internet-Based TestETS's academic English test, the standard route for US university admissions. Scored 0–120, with a 1–6 scale since 2026.1–6 scale: 5.0–5.595–113TOEICTOEICTest of English for International CommunicationETS's workplace English test, big in Japan and Korea. Listening & Reading scores 10–990 and tops out at C1.945–990
Frequency
Occasional
Level
C1 · Advanced
Updated

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