lamina

[ lam-uh-nuh ]
/ ˈlæm ə nə /
|

noun, plural lam·i·nae [lam-uh-nee] /ˈlæm əˌni/, lam·i·nas.

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.

Nearby words

  1. lamerie,
  2. lames,
  3. lamesa,
  4. lamestream,
  5. lamia,
  6. lamina fusca sclerae,
  7. lamina of lens,
  8. lamina of vertebral arch,
  9. lamina propria mucosae,
  10. lamina tecti mesencephali

Origin of lamina

From Latin, dating back to 1650–60; see origin at lame2

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for laminae


British Dictionary definitions for laminae

lamina

/ (ˈlæmɪnə) /

noun plural -nae (-ˌniː) or -nas

a thin plate or layer, esp of bone or mineral
botany the flat blade of a leaf, petal, or thallus
Derived Formslaminar or laminose (ˈlæmɪˌnəʊs, -ˌnəʊz), adjective

Word Origin for lamina

C17: New Latin, from Latin: thin plate

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

Medicine definitions for laminae

lamina

[ lămə-nə ]

n. pl. lam•i•nas

A thin plate, sheet, or layer.
A thin layer of bone, membrane, or other tissue.
Related formslami•nar null adj.


The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

Science definitions for laminae

lamina

[ lămə-nə ]

Plural laminae (lămə-nē′) laminas

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.