- to increase in extent, size, volume, scope, etc.: Heat expands most metals. He hopes to expand his company.
- to spread or stretch out; unfold: A bird expands its wings.
- to express in fuller form or greater detail; develop: to expand a short story into a novel.
- to write (a mathematical expression) so as to show the products of its factors.Compare factor(def 10).
- to rewrite (a mathematical expression) as a sum, product, etc., of terms of a particular kind: to expand a function in a power series.
- to increase or grow in extent, bulk, scope, etc.: Most metals expand with heat. The mind expands with experience.
- to spread out; unfold; develop: The buds had not yet expanded.
- to express something more fully or in greater detail (usually followed by on or upon): to expand on a statement.
Origin of expand
SynonymsSee more synonyms for on Thesaurus.com
Examples from the Web for expand
He once experimented with dressing as “Hilda the Wicked Witch” as a way to expand his business to Halloween.Kerry Bentivolio: The Congressman Who Believes in Santa Claus
December 24, 2014
It also provides a critical opportunity to expand the ranks of the middle class.The Rustbelt Roars Back From the Dead
Joel Kotkin, Richey Piiparinen
December 7, 2014
Dr. Grenci, who agrees, also saw it as a way to expand her own knowledge on the subculture and what makes it so appealing.Whip It: Secrets of a Dominatrix
November 25, 2014
The center for Justice and Accountability in San Francisco, and other human rights organizations went to work to expand the law.Bringing El Salvador Nun Killers to Justice
November 10, 2014
And the CENTCOM commander said that ISIS figures could expand dramatically based on the nature of its actions.ISIS Has 9,000 ‘Core Fighters.’ Or Maybe 17,000. Or Possibly 30,000.
November 6, 2014
I breathed freely, and my form seemed to expand itself with buoyant life.Philothea
Lydia Maria Child
Not being a knowledge of the whole truth it should be humble, tolerant, and eager to expand.The Conquest of Fear
Surely it is much better to let their natural affections have time to expand.Tales And Novels, Volume 3 (of 10)
Your heart will expand; your manly strength will increase a hundredfold.Abbe Mouret's Transgression
It is recognized that brick will expand and contract with changes in temperature.American Rural Highways
T. R. Agg
- to make or become greater in extent, volume, size, or scope; increase
- to spread out or be spread out; unfold; stretch out
- (intr often foll by on) to enlarge or expatiate on (a story, topic, etc) in detail
- (intr) to become increasingly relaxed, friendly, or talkative
- maths to express (a function or expression) as the sum or product of terms
Word Origin and History for expand
early 15c., "spread out, spread flat," from Anglo-French espaundre, Middle French espandre and directly from Latin expandere "to spread out, unfold, expand," from ex- "out" (see ex-) + pandere "to spread, stretch" (see pace (n.)). Sense of "grow larger" first recorded 1640s. Related: Expanded; expanding.