English Reference

Word

zoology

Phoneticszo·ol·o·gy

US/zoʊˈɑɫədʒi/

UK/zuːˈɒlədʒi/

Definitions

01the study of animals

B2 · Science

n. the branch of science that studies animals and how they live.

n. the scientific study of the behaviour, structure, physiology, classification, and distribution of animals.

“She decided to study zoology because she wanted to work with endangered species in Africa.”

“Advances in molecular zoology have allowed researchers to reclassify several species based on genetic markers rather than physical traits alone.”

Usage

Uncountable when referring to the field of study; countable when referring to the animal life of a specific region.

Teaching tip

Learners often confuse the pronunciation; the first syllable is 'zo-' (like 'go'), not 'zoo-' (like the place where animals are kept).

Synonyms

animal biology

Antonyms

02animal life of a region

C1 · Science

n. the specific types of animals that live in a certain place or time.

n. the animal life of a particular area or geological period.

“The local zoology of the island is unique because it was isolated for millions of years.”

“The professor's lecture focused on the prehistoric zoology of the region, specifically the megafauna that disappeared after the last ice age.”

Academic · Technical

Usage

Often used with a definite article or a possessive adjective.

Teaching tip

In this context, 'zoology' is a more technical synonym for 'fauna'.

Synonyms

Antonyms

Real-World Examples

“He studied biology, zoology and botany at Cardiff University, graduating in 1962 and later gaining a master’s, then a PhD at Aston University in 1975.”
The Guardian · 10 Aug 2026

Etymology

From Ancient Greek ζῷον (zōîon, “animal”) + λόγος (lógos, “knowledge”). By surface analysis, zoo- + -logy. Piecewise doublet of biology.

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

Word family

zoologicalAdjectivezoologyNoun

Domains

BiologyZoology

This entry

Level
B2 · Upper Intermediate
Frequency
Occasional
Updated

Scan code

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English Reference