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Any of numerous mostly aquatic organisms in the group Heterokonta, having zoospores or other swimming cells usually with a pair of flagella, one of which has brush-like extensions, and whose photosynthetic members have a distinctive form of chlorophyll. Heterokonts include the brown algae, chrysophytes, diatoms, and oomycetes. Also called stramenopile.
[New Latin Heterokonta, taxon name : Greek hetero-, hetero- + Greek kontos, punting pole, goad (in reference to the pair of flagella); see kent- in Indo-European roots.]
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.
(Botany) any organism that possesses two flagella of unequal length. Heterokonts include diatoms and some other algae
(Botany) possessing two flagella of unequal length
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014