acromion

[uh-kroh-mee-uhn]

a·cro·mi·on

[uh-kroh-mee-uhn]
noun, plural a·cro·mi·a [-mee-uh] . Anatomy.
the outward end of the spine of the scapula or shoulder blade.


Origin:
1605–15; < Neo-Latin < Greek akrṓmion, equivalent to akro- acro- + ṓm(os) shoulder + -ion noun suffix

a·cro·mi·al, adjective
sub·a·cro·mi·al, adjective
su·per·a·cro·mi·al, adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2012.
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Acromion is always a great word to know.
So is sinus. Does it mean:
a network of cells and cell-forming tissue that protects the body from pathogens, destroys infected, malignant cells, and removes cellular debris
one of the hollow cavities in the skull connecting with the nasal cavities
Collins
World English Dictionary
acromion (əˈkrəʊmɪən)
 
n , pl -mia
the outermost edge of the spine of the shoulder blade
 
[C17: New Latin, from Greek akrōmion the point of the shoulder, from acro- + ōmion, diminutive of ōmos shoulder]

Collins English Dictionary - Complete & Unabridged 10th Edition
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American Heritage
Medical Dictionary

acromion a·cro·mi·on (ə-krō'mē-ŏn', -ən)
n.
The outer end of the scapula, extending over the shoulder joint and forming the highest point of the shoulder, to which the collarbone is attached. Also called acromial process.


a·cro'mi·al adj.

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