Dictionary.com

lamina

[ lam-uh-nuh ]
/ ˈlæm ə nə /
Save This Word!

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.
QUIZ
CAN YOU ANSWER THESE COMMON GRAMMAR DEBATES?
There are grammar debates that never die; and the ones highlighted in the questions in this quiz are sure to rile everyone up once again. Do you know how to answer the questions that cause some of the greatest grammar debates?
Question 1 of 7
Which sentence is correct?

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. 2023

How to use lamina in a sentence

British Dictionary definitions for lamina

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 forms of lamina

laminar 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

Scientific definitions for lamina

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.
FEEDBACK