lamina
a thin plate, scale, or layer.
a layer or coat lying over another, as the plates of minerals or bones.
Botany. the blade or expanded portion of a leaf.
Geology. a layer of sediment or sedimentary rock only a small fraction of an inch (less than a centimeter) in thickness.
Origin of lamina
1Words Nearby lamina
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024
How to use lamina in a sentence
In some the horn is at first a broad lamina or ridge, which terminates in two branches, as in Onthophagus Vacca.
An Introduction to Entomology: Vol. III (of 4) | William KirbyThe old lamina is pushed off, but is held on the summit of the new growth until the latter has matured.
The Sea-beach at Ebb-tide | Augusta Foote ArnoldThis genus is readily distinguishable by the fact that it has leaflets below the lamina.
The Sea-beach at Ebb-tide | Augusta Foote ArnoldThis species differs from L. longicruris in having a short, solid stem and narrow, ribbon-like lamina.
The Sea-beach at Ebb-tide | Augusta Foote ArnoldThe petiole and761 midrib of the leaf being cut off, dry the lamina.
British Dictionary definitions for lamina
/ (ˈlæmɪnə) /
a thin plate or layer, esp of bone or mineral
botany the flat blade of a leaf, petal, or thallus
Origin of lamina
1Derived forms of lamina
- laminar or laminose (ˈlæmɪˌnəʊs, -ˌnəʊz), adjective
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
Scientific definitions for lamina
[ lăm′ə-nə ]
The expanded area of a leaf or petal; a blade. See more at leaf.
A thin layer of bone, membrane, or other tissue.
The thinnest recognizable layer of sediment, differing from other layers in color, composition, or particle size. Laminae are usually less than 1 cm (0.39 inches) thick.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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