lamina

[ lam-uh-nuh ]
See synonyms for lamina on Thesaurus.com
noun,plural lam·i·nae [lam-uh-nee], /ˈlæm əˌni/, lam·i·nas.
  1. a thin plate, scale, or layer.

  2. a layer or coat lying over another, as the plates of minerals or bones.

  1. Botany. the blade or expanded portion of a leaf.

  2. Geology. a layer of sediment or sedimentary rock only a small fraction of an inch (less than a centimeter) in thickness.

Origin of lamina

1
From Latin, dating back to 1650–60; see origin at lame2

Words Nearby lamina

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How to use lamina in a sentence

British Dictionary definitions for lamina

lamina

/ (ˈlæmɪnə) /


nounplural -nae (-ˌniː) or -nas
  1. a thin plate or layer, esp of bone or mineral

  2. botany the flat blade of a leaf, petal, or thallus

Origin of lamina

1
C17: New Latin, from Latin: thin plate

Derived 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

lamina

[ lămə-nə ]


Plural laminae (lămə-nē′) laminas
  1. The expanded area of a leaf or petal; a blade. See more at leaf.

  2. A thin layer of bone, membrane, or other tissue.

  1. 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.