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acerose

1 American  
[as-uh-rohs] / ˈæs əˌroʊs /

adjective

Botany.

  1. needle-shaped, as the leaves of the pine.

acerose 2 American  
[as-uh-rohs] / ˈæs əˌroʊs /

adjective

  1. resembling chaff.

  2. mixed with chaff.

acerose British  
/ ˈæsəˌrəʊs, -ˌrəʊz /

adjective

  1. shaped like a needle, as pine leaves

"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

Etymology

Origin of acerose1

1775–85; special sense of acerose 2, by misattribution of acer- to Latin acus needle, whose stem is acu- and not acer- ( cf. acute)

Origin of acerose2

1715–25; < Latin acerōsus, equivalent to acer- (stem of acus ) chaff + -ōsus -ose 1

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.