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acr-

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acro-

a combining form with the meanings “height,” “tip end,” “extremities of the body,” used in the formation of compound words: acrophobia.
Also, especially before a vowel, acr-.


Origin:
< Gk, comb. form of ákros topmost, highest; akin to L ācer sharp. Cf. acme, ear 2
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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acr-  
pref.  Variant of acro-.
acro- or acr-  
pref.  
    1. Top; summit: acropetal.

    2. Height: acrophobia.

    3. Tip; beginning: acronym.

    4. Extremity of the body: acromegaly.

    1. Tip; beginning: acronym.

    2. Extremity of the body: acromegaly.


[From Greek akros, extreme; see ak- in Indo-European roots.]
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

acr- pref.
Variant of acro-.

acro- or acr-
pref.

  1. Top; summit; height: acrophobia.

  2. Tip; beginning: acrosome.

  3. Extremity of the body: acroparalysis.

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