[ as-uh-nuh s ]
/ ˈæs ə nəs /
noun, plural ac·i·ni [as-uh-nahy] /ˈæs əˌnaɪ/.
Botany. one of the small drupelets or berries of an aggregate, baccate fruit, as the blackberry.
a berry, as a grape or currant.
- a minute rounded lobule.
- the smallest secreting portion of a gland.
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Origin of acinus
1725–35; < Latin: grape, berry, seed of a berry
OTHER WORDS FROM acinusac·i·nar [as-uh-ner, -nahr] /ˈæs ə nər, -ˌnɑr/, a·cin·ic [uh-sin-ik] /əˈsɪn ɪk/, adjective
Words nearby acinus
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020
British Dictionary definitions for acinar
/ (ˈæsɪnəs) /
noun plural -ni (-ˌnaɪ)
anatomy any of the terminal saclike portions of a compound gland
botany any of the small drupes that make up the fruit of the blackberry, raspberry, etc
botany obsolete a collection of berries, such as a bunch of grapes
Derived forms of acinusacinic (əˈsɪnɪk), acinous or acinose, adjective
Word Origin for acinus
C18: New Latin, from Latin: grape, berry
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
Medical definitions for acinar (1 of 2)
[ ăs′ĭ-nər, -när′ ]
Relating to an acinus.
Medical definitions for acinar (2 of 2)
[ ăs′ə-nəs ]
n. pl. ac•i•ni (-nī′)
Any of several minute grape-shaped secretory portions of an acinous gland.
Other words from acinusa•cin′ic (ə-sĭn′ĭk) null null adj.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.