culm
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culm 1
(kŭlm)n.
The stem of a grass or similar plant.
[Latin culmus, stalk.]
culm 2
(kŭlm)n.
1. Waste from anthracite coal mines, consisting of fine coal, coal dust, and dirt.
2.
a. Carboniferous shale.
b. Inferior anthracite coal.
[Middle English colme, coal dust, perhaps from Old English col, coal.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
culm
(kʌlm)n
1. (Mining & Quarrying) coal-mine waste
2. (Mining & Quarrying) inferior anthracite
[C14: probably related to coal]
culm
(kʌlm)n
(Botany) the hollow jointed stem of a grass or sedge
[C17: from Latin culmus stalk; see haulm]
Culm
orCulm Measures
n
(Geological Science) a formation consisting mainly of shales and sandstone deposited during the Carboniferous period in parts of Europe
[C19: from culm1]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
culm1
(kʌlm)n.
1. coal dust; slack.
2. anthracite, esp. of inferior grade.
[1300–50; Middle English colme, probably =col coal + -m suffix of uncertain meaning; compare -m in Old English fæthm fathom, wæstm growth]
culm2
(kʌlm)n.
1. a stem or stalk, esp. the jointed and usu. hollow stem of grasses.
v.i. 2. to grow or develop into a culm.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
culm
(kŭlm) The stem of a grass or similar plant.
The American Heritage® Student Science Dictionary, Second Edition. Copyright © 2014 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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