English dictionary



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English noun: expansion

1. expansion (act) the act of increasing (something) in size or volume or quantity or scope


Synonymsenlargement


Broader (hypernym)increase, step-up


Narrower (hyponym)dilatation, dilation, distension, distention, extension, inflation, magnification, stretching


Antonymscontraction

2. expansion a function expressed as a sum or product of terms


SamplesThe expansion of (a+b)^2 is a^2 + 2ab + b^2.


Broader (hypernym)function, map, mapping, mathematical function, single-valued function


Domain categorymath, mathematics, maths

3. expansion (communication) a discussion that provides additional information


Synonymselaboration, enlargement


Broader (hypernym)discourse, discussion, treatment


Narrower (hyponym)embellishment, embroidery, expatiation

4. expansion (act) adding information or detail


Synonymsexpanding upon


Broader (hypernym)increase, step-up


Narrower (hyponym)amplification, annotating, annotation, elaboration, subjoining, subjunction, supplementation









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