arranged within a relatively small space: a compact shopping center; a compact kitchen.
designed to be small in size and economical in operation.
solidly or firmly built: the compact body of a lightweight wrestler.
composed or made (usually followed by of): a book compact of form and content.
Also bicompact .Mathematics. (of a set) having the property that in any collection of open sets whose union contains the given set there exists a finite number of open sets whose union contains the given set; having the property that every open cover has a finite subcover.
to form or make by close union or conjunction; make up or compose.
Metallurgy. to compress (metallic or metallic and nonmetallic powders) in a die to be sintered.
to crush into compact form for convenient disposal or for storage until disposal: to compact rubbish.
a small case containing a mirror, face powder, a puff, and sometimes rouge.
Also called compact car . an automobile that is smaller than an intermediate but larger than a subcompact and generally has a combined passenger and luggage volume of 100–110 cu. ft. (2.8–3.1 m3).
Metallurgy. (in powder metallurgy) an object to be sintered formed of metallic or of metallic and nonmetallic powders compressed in a die.
- com·pact·ed·ly, adverb
- com·pact·ed·ness, noun
- com·pact·ly, adverb
- com·pact·ness, noun
- un·com·pact·ed, adjective
- well-com·pact·ed, adjective
Other definitions for compact (2 of 2)
a formal agreement between two or more parties, states, etc.; contract: the proposed economic compact between Germany and France.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use compact in a sentence
For more compact laptop drives, things are just a tad more confusing, since they look so similar.Rip out your computer’s brain and turn it into an external hard drive | Whitson Gordon | November 10, 2020 | Popular-Science
This is by far the console’s most glaring downside, especially when the Xbox Series S is super compact.PlayStation 5 review: PS5 is a sensory game-changer | Elise Favis | November 6, 2020 | Washington Post
Thanks to its compact build, I’ve never had to reorganize the camp kitchen to find space for it on the table.
The compact seeks to have a quorum of states whose Electoral College votes add up to at least 270, agreeing to cast their votes to the candidate who wins the national popular vote.Colorado joins 15 states in favor of popular vote in presidential elections | Nicole Goodkind | November 5, 2020 | Fortune
The Cubii JR compact seated elliptical easily fits under even a small desk, allowing the owner to get work done while getting in a light workout at the same time.
Rather, that research suggests that size, not compactness, constitutes the decisive factor.Houston Rising—Why the Next Great American Cities Aren’t What You Think | Joel Kotkin | April 8, 2013 | THE DAILY BEAST
ThePg 115 rapidity, the compactness of the sentences, impressed Gaston Paris as very remarkable.Frdric Mistral | Charles Alfred Downer
No more remarkable test of the efficiency of the sledge straps and the compactness of the load could have been made.The Home of the Blizzard | Douglas Mawson
A striking feature of this camera is its extreme thinness and all-around compactness.Kodaks and Kodak Supplies, 1914 | Canadian Kodak Company
I don't take my supper till later in the night,' said he, 'and therefore I won't disturb the compactness of the table.Our Mutual Friend | Charles Dickens
Above all things in these early days must compactness and lightness be studied.The Way to the West | Emerson Hough
British Dictionary definitions for compact (1 of 2)
closely packed together; dense
neatly fitted into a restricted space
well constructed; solid; firm
(foll by of) composed or made up (of)
denoting a tabloid-sized version of a newspaper that has traditionally been published in broadsheet form
logic (of a relation) having the property that for any pair of elements such that a is related to b, there is some element c such that a is related to c and c to b, as less than on the rational numbers
US and Canadian (of a car) small and economical
to pack or join closely together; compress; condense
(foll by of) to create or form by pressing together: sediment compacted of three types of clay
metallurgy to compress (a metal powder) to form a stable product suitable for sintering
a small flat case containing a mirror, face powder, etc, designed to be carried in a woman's handbag
US and Canadian a comparatively small and economical car
metallurgy a mass of metal prepared for sintering by cold-pressing a metal powder
a tabloid-sized version of a newspaper that has traditionally been publis hed in broadsheet form
- compacter, noun
- compaction, noun
- compactly, adverb
- compactness, noun
British Dictionary definitions for compact (2 of 2)
an official contract or agreement
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012