rugous
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ru·gose
(ro͞o′gōs′) also ru·gous (-gəs)adj. Biology
Having a rough, ridged, or wrinkled surface: rugose spores.
[Latin rūgōsus, from rūga, wrinkle.]
ru′gose′ly adv.
ru·gos′i·ty (-gŏs′ĭ-tē) n.
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.