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complexing agent

 - 5 dictionary results
Chelation Facts n' Fables
Why It's Better to Chelate the Way Nature Intended, Without Chemicals
www.scienceformulas.com

com⋅plex⋅ing a⋅gent

  [kuhm-plek-sing]
Use complexing agent in a Sentence
–noun Chemistry.
See under complex (def. 10).
Chelation Facts n' Fables
Why It's Better to Chelate the Way Nature Intended, Without Chemicals
www.scienceformulas.com

com⋅plex

  [adj., v. kuhm-pleks, kom-pleks; n. kom-pleks]
–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
Based on the Random House Dictionary, © Random House, Inc. 2009.
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Word Origin & History

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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Medical Dictionary

Main Entry: 3com·plex
Pronunciation: käm-'pleks, k&m-', 'käm-"
Function: transitive verb
1 : to form into a complexcomplexed with protein>
2 : CHELATE complex intransitive senses
: to form a complex complex with specific receptors>
Merriam-Webster's Medical Dictionary, © 2002 Merriam-Webster, Inc.
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Medical Dictionary

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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