[ uh-kroh-mee-uh n ]
/ əˈkroʊ mi ən /

noun, plural a·cro·mi·a [uh-kroh-mee-uh] /əˈkroʊ mi ə/. Anatomy.

the outward end of the spine of the scapula or shoulder blade.

Origin of acromion

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


a·cro·mi·al, adjectivesub·a·cro·mi·al, adjectivesu·per·a·cro·mi·al, adjective Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for subacromial

/ (əˈkrəʊmɪən) /

noun plural -mia (-mɪə)

the outermost edge of the spine of the shoulder blade

Word Origin for acromion

C17: New Latin, from Greek akrōmion the point of the shoulder, from acro- + ōmion, diminutive of ōmos shoulder
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

Medicine definitions for subacromial

[ ə-krōmē-ŏn′, -ən ]


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.acromial process

Other words from acromion

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