valvate
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val·vate
(văl′vāt′)adj.
1. Having valvelike parts.
2. Botany
a. Meeting at the edges without overlapping, as some petals do.
b. Opening by valves, as the capsule of a lily or iris.
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.
valvate
(ˈvælveɪt)adj
1. (Mechanical Engineering) furnished with a valve or valves
2. (Mechanical Engineering) functioning as or resembling a valve
3. (Botany) botany
a. having or taking place by means of valves: valvate dehiscence.
b. (of petals or sepals in the bud) having the margins touching but not overlapping
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
val•vate
(ˈvæl veɪt)adj.
1. furnished with or functioning by a valve or valves.
2. serving as or resembling a valve.
3. Bot.
a. opening by valves, as certain capsules and anthers.
b. meeting without overlapping, as the parts of certain buds.
c. composed of or characterized by such parts.
[1820–30; < New Latin, Latin]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.