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8 Words That Are Older Than You Think

autoregulation

[aw-toh-reg-yuh-ley-shuh n] /ˌɔ toʊˌrɛg yəˈleɪ ʃən/
noun
1.
the continual automatic adjustment or self-regulation of a biochemical, physiological, or ecological system to maintain a stable state.
Origin
1965-1970
1965-70; auto-1 + regulation
Related forms
autoregulative
[aw-toh-reg-yuh-ley-tiv, -luh-tiv] /ˌɔ toʊˈrɛg yəˌleɪ tɪv, -lə tɪv/ (Show IPA),
autoregulatory
[aw-toh-reg-yuh-luh-tawr-ee, -tohr-ee] /ˌɔ toʊˈrɛg yə ləˌtɔr i, -ˌtoʊr i/ (Show IPA),
adjective
autoregulatively, adverb
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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autoregulatory in Medicine

autoregulation au·to·reg·u·la·tion (ô'tō-rěg'yə-lā'shən)
n.

  1. The tendency of the blood flow toward an organ or part to remain at or return to the same level despite changes in arterial pressure.

  2. A biological system equipped with inhibitory feedback systems such that a given change tends to be largely or completely counteracted.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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