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7 dictionary results for: complex
Dictionary.com Unabridged (v 1.1) - Cite This Source - Share This
com·plex       [adj., v. kuhm-pleks, kom-pleks; n. kom-pleks] Pronunciation Key
–adjective
1.composed of many interconnected parts; compound; composite: a complex highway system.
2.characterized by a very complicated or involved arrangement of parts, units, etc.: complex machinery.
3.so complicated or intricate as to be hard to understand or deal with: a complex problem.
4.Grammar.
a.(of a word) consisting of two parts, at least one of which is a bound form, as childish, which consists of the word child and the bound form -ish.
b.complex sentence.
5.Mathematics. pertaining to or using complex numbers: complex methods; complex vector space.
–noun
6.an intricate or complicated association or assemblage of related things, parts, units, etc.: the entire complex of our educational system; an apartment complex.
7.Psychology. a system of interrelated, emotion-charged ideas, feelings, memories, and impulses that is usually repressed and that gives rise to abnormal or pathological behavior.
8.a fixed idea; an obsessive notion.
9.Mathematics.
a.an arbitrary set of elements of a group.
b.a collection of simplexes having specified properties.
10.Also called coordination compound. Chemistry. a compound in which independently existing molecules or ions of a nonmetal (complexing agent) form coordinate bonds with a metal atom or ion. Compare ligand (def. 2).
11.Biochemistry. an entity composed of molecules in which the constituents maintain much of their chemical identity: receptor-hormone complex, enzyme-substrate complex.
–verb (used with object)
12.Chemistry. to form a complex with.
–verb (used without object)
13.Chemistry. to form a complex.
[Origin: 1645–55; 1905–10 for def. 7; (adj.) < L complexus, ptp. of complectī, complectere to embrace, encompass, include, equiv. to complect- (see complect) + -tus ptp. suffix; (n.) < LL complexus totality, complex (L: inclusion, grasping, embrace), equiv. to complect(ere) + -tus suffix of v. action; reanalysis of the L v. as “to intertwine (completely)” has influenced sense of the adj.]

—Related forms
com·plex·ly, adverb
com·plex·ness, noun

—Synonyms 3. knotty, tangled, labyrinthine. 6. network, web, tangle, labyrinth.
—Antonyms 2, 3. simple.
Dictionary.com Unabridged (v 1.1)
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2006.
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American Heritage Dictionary - Cite This Source - Share This
com·plex       (kəm-plěks', kŏm'plěks')  Pronunciation Key 
adj.  
    1. Consisting of interconnected or interwoven parts; composite.
    2. Composed of two or more units: a complex carbohydrate.
    3. Consisting of at least one bound form. Used of a word.
    4. Consisting of an independent clause and at least one other independent or dependent clause. Used of a sentence.
  2. Involved or intricate, as in structure; complicated.
  3. Grammar
    1. Consisting of at least one bound form. Used of a word.
    2. Consisting of an independent clause and at least one other independent or dependent clause. Used of a sentence.

n.   (kŏm'plěks')
  1. A whole composed of interconnected or interwoven parts: a complex of cities and suburbs; the military-industrial complex.
  2. In psychology, a group of related, often repressed ideas and impulses that compel characteristic or habitual patterns of thought, feelings, and behavior. No longer in scientific use.
  3. An exaggerated or obsessive concern or fear.
  4. Medicine The combination of factors, symptoms, or signs of a disease or disorder that forms a syndrome.


[Latin complexus, past participle of complectī, to entwine; see complect.]

com·plex'ly adv., com·plex'ness n.
Synonyms: These adjectives mean having parts so interconnected as to make the whole perplexing. Complex implies a combination of many associated parts: The composer transformed a simple folk tune into a complex set of variations.
Complicated stresses elaborate relationship of parts: The party's complicated platform confused many voters.
Intricate refers to a pattern of intertwining parts that is difficult to follow or analyze: "No one could soar into a more intricate labyrinth of refined phraseology" (Anthony Trollope).
Involved stresses confusion arising from the commingling of parts and the consequent difficulty of separating them: The movie's plot was criticized as being too involved.
Tangled strongly suggests the random twisting of many parts: "Oh, what a tangled web we weave,/When first we practice to deceive!" (Sir Walter Scott).
Knotty stresses intellectual complexity leading to difficulty of solution or comprehension: Even the professor couldn't clarify the knotty point.

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The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2006 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Online Etymology Dictionary - Cite This Source - Share This
complex 
c.1652, "composed of parts," from Fr. complexe, from L. complexus "surrounding, encompassing," pp. of complecti "to encircle, embrace," from com- "with" + plectere "to weave, braid, twine." The adj. meaning "not easily analyzed" is first recorded 1715. Psychological sense of "connected group of repressed ideas" was established by C.G. Jung, 1907.

Online Etymology Dictionary, © 2001 Douglas Harper
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WordNet - Cite This Source - Share This
complex

adjective
1. complicated in structure; consisting of interconnected parts; "a complex set of variations based on a simple folk melody"; "a complex mass of diverse laws and customs" [ant: simple] 

noun
1. a conceptual whole made up of complicated and related parts; "the complex of shopping malls, houses, and roads created a new town" 
2. a compound described in terms of the central atom to which other atoms are bound or coordinated 
3. (psychoanalysis) a combination of emotions and impulses that have been rejected from awareness but still influence a person's behavior 
4. a whole structure (as a building) made up of interconnected or related structures [syn: building complex] 

WordNet® 3.0, © 2006 by Princeton University.
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American Heritage Stedman's Medical Dictionary - Cite This Source - Share This

complex com·plex (kŏm'plěks')
n.

  1. A group of related, often repressed memories, thoughts, and impulses that compel characteristic or habitual patterns of feelings, thought, and behavior.
  2. The relatively stable combination of two or more ions or compounds into a larger structure without covalent binding.
  3. A composite of chemical or immunological structures.
  4. An entity made up of three or more interrelated components.
  5. A group of individual structures known or believed to be anatomically, embryologically, or physiologically related.
  6. The combination of factors, symptoms, or signs that forms a syndrome.
adj. (kəm-plěks', kŏm'plěks')
  1. Consisting of interconnected or interwoven parts; composite.
  2. Composed of two or more units.
  3. Relating to a group of individual structures known or considered to be anatomically, embryologically, or physiologically related.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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Webster's Revised Unabridged Dictionary - Cite This Source - Share This

Complex

Com"plex\, a. [L. complexus, p. p. of complecti to entwine around, comprise; com- + plectere to twist, akin to plicare to fold. See Plait, n.]

1. Composed of two or more parts; composite; not simple; as, a complex being; a complex idea.

Ideas thus made up of several simple ones put together, I call complex; such as beauty, gratitude, a man, an army, the universe. --Locke.

2. Involving many parts; complicated; intricate.

When the actual motions of the heavens are calculated in the best possible way, the process is difficult and complex. --Whewell.

Complex fraction. See Fraction.

Complex number (Math.), in the theory of numbers, an expression of the form a + b[root]-1, when a and b are ordinary integers.

Syn: See Intricate.

Webster's Revised Unabridged Dictionary, © 1996, 1998 MICRA, Inc.
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Webster's Revised Unabridged Dictionary - Cite This Source - Share This

Complex

Com"plex\, n. [L. complexus] Assemblage of related things; collection; complication.

This parable of the wedding supper comprehends in it the whole complex of all the blessings and privileges exhibited by the gospel. --South.

Complex of lines (Geom.), all the possible straight lines in space being considered, the entire system of lines which satisfy a single relation constitute a complex; as, all the lines which meet a given curve make up a complex. The lines which satisfy two relations constitute a congruency of lines; as, the entire system of lines, each one of which meets two given surfaces, is a congruency.

Webster's Revised Unabridged Dictionary, © 1996, 1998 MICRA, Inc.
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