Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “equation”

equation

noun uk   /ɪˈkweɪ.ʒən/ us  

equation noun (STATEMENT)

C1 [C] a mathematical statement in which you show that two amounts are equal using mathematical symbols: In the equation 3x - 3 = 15, x = 6. [C] (also chemical equation) a statement containing chemical symbols, used to show the changes that happen during a particular chemical reaction

equation noun (COMPLEX SITUATION)

[C usually singular] a difficult problem that can only be understood if all the different influences are considered: Managing the economy is a complex equation of controlling inflation and reducing unemployment.

equation noun (SAME)

[U] the act of considering one thing to be the same as or equal to another: There is a tendency in movies to make the equation between violence and excitement.
(Definition of equation from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
What is the pronunciation of equation?
Browse related topics

You are looking at an entry to do with Difficult things and people, but you might be interested in these topics from the Easy and difficult topic area:

Add Cambridge dictionaries to your browser to your website

Definitions of “equation” in other dictionaries

Word of the Day

hello stranger

said to a person that you know but have not seen for a long time

Word of the Day

Come on – you can do it! Phrasal verbs with ‘come’.

by Liz Walter​,
November 19, 2014
As part of an occasional series on the tricky subject of phrasal verbs, this blog looks at ones formed with the verb ‘come’. If you are reading this blog, I’m sure you already know come from, as it is one of the first things you learn in class: I come from Scotland/Spain.

Read More 

silver splicer noun

November 17, 2014
informal a person who marries in later life Newly retired and now newlywed – rise of the ‘silver splicers’ Reaching pension age becomes a trigger to tie the knot as baby-boomers begin to redefine retirement

Read More