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coagulate

[verb koh-ag-yuh-leyt; adjective koh-ag-yuh-lit, -leyt]
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verb (used with or without object), co·ag·u·lat·ed, co·ag·u·lat·ing.
  1. to change from a fluid into a thickened mass; curdle; congeal: Let the pudding stand two hours until it coagulates.
  2. Biology. (of blood) to form a clot.
  3. Physical Chemistry. (of colloidal particles) to flocculate or cause to flocculate by adding an electrolyte to an electrostatic colloid.
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adjective
  1. Obsolete. coagulated.
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Origin of coagulate

1350–1400 for earlier past participle senses “solidified, clotted,” 1605–15 for def 1; Middle English < Latin coāgulāt(us) (past participle of coāgulāre), equivalent to coāgul(um) coagulum + -ātus -ate1
Related formsco·ag·u·la·tion, nounco·ag·u·la·to·ry [koh-ag-yuh-luh-tawr-ee, -tohr-ee] /koʊˈæg yə ləˌtɔr i, -ˌtoʊr i/, co·ag·u·la·tive [koh-ag-yuh-ley-tiv, -luh-tiv] /koʊˈæg yəˌleɪ tɪv, -lə tɪv/, adjectivean·ti·co·ag·u·lat·ing, adjectivean·ti·co·ag·u·la·tion, noun, adjectivenon·co·ag·u·lat·ing, adjectivenon·co·ag·u·la·tion, nounnon·co·ag·u·la·tive, adjectivere·co·ag·u·late, verb, re·co·ag·u·lat·ed, re·co·ag·u·lat·ing.re·co·ag·u·la·tion, nounun·co·ag·u·lat·ed, adjectiveun·co·ag·u·lat·ing, adjectiveun·co·ag·u·la·tive, adjective

Synonyms

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1. clot, set, solidify, thicken.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for coagulation

Contemporary Examples

Historical Examples

  • As soon as it touches it it penetrates it and the coagulation which we have mentioned is produced.

  • This acts upon the blood in such a way as to prevent its coagulation.

    The Meaning of Evolution

    Samuel Christian Schmucker

  • The coagulation of the substance of the brain and of the nervous system goes on.

  • It is frequently desirable to determine the coagulation time.

  • A coagulation in this crust contained eight million of the creatures, eight million.

    The Huddlers

    William Campbell Gault

British Dictionary definitions for coagulation

coagulate

verb (kəʊˈæɡjʊˌleɪt)
  1. to cause (a fluid, such as blood) to change into a soft semisolid mass or (of such a fluid) to change into such a mass; clot; curdle
  2. chem to separate or cause to separate into distinct constituent phases
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noun (kəʊˈæɡjʊlɪt, -ˌleɪt)
  1. the solid or semisolid substance produced by coagulation
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Derived Formscoagulable, adjectivecoagulability, nouncoagulation, nouncoagulative (kəʊˈæɡjʊlətɪv), adjective

Word Origin

C16: from Latin coāgulāre to make (a liquid) curdle, from coāgulum rennet, from cōgere to drive together
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

Word Origin and History for coagulation

n.

c.1400, from Latin coagulationem (nominative coagulatio), noun of action from past participle stem of coagulare (see coagulate).

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coagulate

v.

early 15c., from Latin coagulatus, past participle of coagulare "to cause to curdle," from cogere "to curdle, collect" (see cogent). Earlier coagule, c.1400, from Middle French coaguler. Related: Coagulated; coagulating.

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Online Etymology Dictionary, © 2010 Douglas Harper
coagulation in Medicine

coagulation

(kō-ăg′yə-lā′shən)
n.
  1. The change, especially of blood, from liquid to solid; clotting.
  2. A clot; coagulum.
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coagulate

(kō-ăg′yə-lāt′)
v.
  1. To change from the liquid state to a solid or gel; clot.
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Related formsco•ag′u•la•bil′i•ty n.co•ag′u•la′tor n.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
coagulation in Science

coagulation

[kō-ăg′yə-lā′shən]
  1. The process of changing from a liquid to a gel or solid state by a series of chemical reactions, especially the process that results in the formation of a blood clot. See more at clot.
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The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.