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circulation

 - 6 dictionary results
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cir⋅cu⋅la⋅tion

  [sur-kyuh-ley-shuhn]
Use circulation in a Sentence
–noun
1. an act or instance of circulating, moving in a circle or circuit, or flowing.
2. the continuous movement of blood through the heart and blood vessels, which is maintained chiefly by the action of the heart, and by which nutrients, oxygen, and internal secretions are carried to and wastes are carried from the body tissues.
3. any similar circuit, passage, or flow, as of the sap in plants or air currents in a room.
4. the transmission or passage of anything from place to place or person to person: the circulation of a rumor; the circulation of money.
5. the distribution of copies of a periodical among readers.
6. the number of copies of each issue of a newspaper, magazine, etc., distributed.
7. coins, notes, bills, etc., in use as money; currency.
8. Library Science.
a. the lending of library books and other materials.
b. the number of books and materials that a library has lent.
c. the processes connected with providing for the use of library materials, including reserve operations, recall, and record-keeping.
9. Hydraulics. a quantity analogous to work and equal to the line integral of the component of fluid velocity about a closed contour.
—Idiom
10. in circulation, participating actively in social or business life: After a month in the hospital, he's back in circulation.
Origin:
1400–50 for an earlier alchemical sense; 1645–55 for def. 1; late ME circulacioun < L circulātiōn- (s. of circulātiō), equiv. to circulāt(us) (see circulate ) + -iōn- -ion

Related forms:
cir⋅cu⋅la⋅ble  [sur-kyuh-luh-buhl] , adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
Cite This Source Link To circulation
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cir·cu·la·tion   (sûr'kyə-lā'shən)   
n.  

  1. Movement in a circle or circuit, especially the movement of blood through bodily vessels as a result of the heart's pumping action.

    1. Movement or passage through a system of vessels, as of water through pipes; flow.

    2. Free movement or passage.

    3. The condition of being passed about and widely known; distribution.

    4. Dissemination of printed material, especially copies of newspapers or magazines, among readers.

    5. The number of copies of a publication sold or distributed.

  3. The passing of something, such as money or news, from place to place or person to person.

    1. The condition of being passed about and widely known; distribution.

    2. Dissemination of printed material, especially copies of newspapers or magazines, among readers.

    3. The number of copies of a publication sold or distributed.

The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Medical Dictionary

Main Entry: cir·cu·la·tion
Pronunciation: "s&r-ky&-'lA-sh&n
Function: noun
: the movement of blood through the vessels of thebody that is induced by the pumping action of the heart and serves to distribute nutrients and oxygen to and remove waste products from all parts of the body —see PULMONARY CIRCULATION, SYSTEMICCIRCULATION
Merriam-Webster's Medical Dictionary, © 2002 Merriam-Webster, Inc.
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Medical Dictionary

circulation cir·cu·la·tion (sûr'kyə-lā'shən)
n.
Movement in a circle or circuit, especially the movement of blood through bodily vessels as a result of the heart's pumping action.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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Science Dictionary
circulation   (sûr'kyə-lā'shən)  Pronunciation Key 
The flow of fluid, especially blood, through the tissues of an organism to allow for the transport and exchange of blood gases, nutrients, and waste products. In vertebrates, the circulation of blood to the tissues and back to the heart is caused by the pumping action of the heart. Oxygen-rich blood is carried away from the heart by the arteries, and oxygen-poor blood is returned to the heart by the veins. The circulation of lymph occurs in a separate system of vessels (the lymphatic system). Lymph is pumped back to the heart by the contraction of skeletal muscles.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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Idioms & Phrases

circulation

see in circulation; out of circulation.

The American Heritage® Dictionary of Idioms by Christine Ammer.
Copyright © 1997. Published by Houghton Mifflin.
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