Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “science”

See all translations

science

noun uk   /saɪəns/ us  
A2 [U] (knowledge from) the careful study of the structure and behaviour of the physical world, especially by watching, measuring, and doing experiments, and the development of theories to describe the results of these activities: pure/applied science recent developments in science and technology Space travel is one of the marvels/wonders of modern science.B1 [C or U] a particular subject that is studied using scientific methods: physical sciences Economics is not an exact science. advances in medical scienceA2 [U] the study of science: a science graduate/teacher a science course/lesson
More examples
(Definition of science from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
What is the pronunciation of science?
Add Cambridge dictionaries to your browser to your website

Definitions of “science” in other dictionaries

Word of the Day

white Christmas

a Christmas when it snows

Word of the Day

Cleavage proves divisive in Cambridge’s words of 2014

by Alastair Horne,
December 19, 2014
​​​​ Other dictionaries may choose faddish novelties as their words of the year, but here at Cambridge, we like to do something different. We look for the words that have seen sudden surges in searches over the course of the year – words that have been baffling users of English and driven them

Read More 

cinderella surgery noun

December 15, 2014
cosmetic surgery to the feet We have all heard of people having nose jobs, boob jobs and liposuction – but now a new trend growing in popularity in America: Cinderella surgery.

Read More