from The Century Dictionary.

  • In petrography, dense without pores: also applied to extremely fine-grained textures in which the individual crystals or grains cannot be seen by the unaided eye: equivalent to aphanitic, cryptocrystalline, and cryptoclastic.
  • Closely and firmly united, as the parts or particles of solid bodies; having the parts or particles pressed or packed together; solid; dense: as, a compact mass of people.
  • In entomology, specifically, compacted or pressed close, as a jointed organ, or any part of it, when the joints are very closely united, forming a continuous mass: as, a compact antennal club; compact palpi.
  • Connected or expressed with closeness or brevity, as ideas; hence, of literary style, pithy; terse; not diffuse; not verbose: as, a compact discourse.
  • Compacted; joined; held together.
  • Composed; consisting; made.
  • Synonyms Firm, condensed.
  • Terse, sententious, succinct concise.
  • noun Structure; frame.
  • To make a contract or enter into an agreement.
  • noun An agreement; a contract between parties; in general, any covenant or contract between individuals, members of a community, or nations.
  • To thrust, drive, pack, or press closely together; join firmly; consolidate, as the parts which compose a body; condense.
  • To unite or connect firmly, as in a system; join the parts of tightly; bring into close junction, as the sheets of a book or other loose materials, by heating, pressure, or the like.
  • To make firm or stable; establish firmly; confirm; solidify.
  • United in a compact; leagued; confederated.

from the GNU version of the Collaborative International Dictionary of English.

  • noun An agreement between parties; a covenant or contract.
  • past participle obsolete Joined or held together; leagued; confederated.
  • past participle Poetic Composed or made; -- with of.
  • past participle Closely or firmly united, as the particles of solid bodies; firm; close; solid; dense.
  • past participle Brief; close; pithy; not diffuse; not verbose.
  • transitive verb To thrust, drive, or press closely together; to join firmly; to consolidate; to make close; -- as the parts which compose a body.
  • transitive verb To unite or connect firmly, as in a system.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • adjective Closely packed, i.e. packing much in a small space.
  • adjective Having all necessary features fitting neatly into a small space.
  • adjective mathematics Closed and bounded.
  • adjective topology Such that every exhaustion of it by (overlapping) open balls has the property that some finitely many of those balls will also cover it.
  • adjective topology, of a set Such that every open cover of the given set has a finite subcover.
  • noun A small, slim folding case, often featuring a mirror, powder and a powderpuff; that fits into a woman's purse or handbag, or that slips into ones pocket.
  • noun A broadsheet newspaper published in the size of a tabloid but keeping its non-sensational style.
  • verb transitive To make more dense; to compress.
  • noun An agreement or contract.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • verb make more compact by or as if by pressing
  • noun a signed written agreement between two or more parties (nations) to perform some action
  • adjective briefly giving the gist of something
  • noun a small and economical car
  • verb squeeze or press together
  • adjective closely and firmly united or packed together
  • verb have the property of being packable or of compacting easily
  • noun a small cosmetics case with a mirror; to be carried in a woman's purse
  • adjective having a short and solid form or stature
  • verb compress into a wad


from Wiktionary, Creative Commons Attribution/Share-Alike License

From Middle English, from Latin compāctus, perfect passive participle of compingō ("join together"), from com- ("together") + pangō ("fasten"), from Proto-Indo-European *pag- (“to fasten”).

from Wiktionary, Creative Commons Attribution/Share-Alike License

From Latin compactum ("agreement").


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