American English

How to pronounce science

nounA2Very common word
SAIns

/ˈsaɪ.n̩s/

2 syllables · Stress the first syllable.

The organized study of the world and how it works, based on observation, tests, and evidence.

Practice out loud

Meanings & examples

noun

The organized study of the world and how it works, based on observation, tests, and evidence.

Science helps us understand the weather.

The science of sleep is changing.

Common phrases & grammar

modern science · science and technology · the history of science · scientific evidence

[the] science of + noun

science shows that + sentence

noun

A school subject about the natural world and how it works.

I have science after lunch.

Her favorite subject is science.

Good to know

For the school subject, use science in the singular: I have science today.

Common phrases & grammar

science class · science teacher · science project · science course

study + science

take a science course

Useful expressions

science fiction

Stories or movies about imagined science and technology, often in the future.

He reads a lot of science fiction.

natural science

A field of study about the physical world and living things.

Biology is a natural science.

social science

A field of study about people and society.

Psychology is a social science.

Related words & forms

For the school subject, say science class, not sciences class. Use sciences for separate fields, as in the social sciences.