lamella

lamella

[luh-mel-uh]
noun, plural lamellae [luh-mel-ee] , lamellas.
1.
a thin plate, scale, membrane, or layer, as of bone, tissue, or cell walls.
2.
Botany.
a.
an erect scale or blade inserted at the junction of the claw and limb in some corollas and forming a part of their corona or crown.
b.
(in mosses) a thin sheet of cells standing up along the midrib of a leaf.
3.
Mycology, gill1 ( def 2 ).
4.
Building Trades. a member of wood, metal, or reinforced concrete, joined in a crisscross pattern with other lamellae to form a vault.
5.
Ophthalmology. a small disk of gelatin and glycerin mixed with a medicinal substance, used as a medicament for the eyes.

Origin:
1670–80; < Latin lāmella, diminutive of lāmina lame2

Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
Cite This Source Link To Lamella
Collins
World English Dictionary
lamella (ləˈmɛlə)
 
n , pl -lae, -las
1.  a thin layer, plate, or membrane, esp any of the calcified layers of which bone is formed
2.  botany
 a.  any of the spore-bearing gills of a mushroom
 b.  any of the membranes in a chloroplast
 c.  Also called: middle lamella a layer of pectin cementing together adjacent cells
3.  one of a number of timber, metal, or concrete members connected along a pattern of intersecting diagonal lines to form a framed vaulted roof structure
4.  any thin sheet of material or thin layer in a fluid
 
[C17: New Latin, from Latin, diminutive of lāmina thin plate]
 
la'mellar
 
adj
 
lamellate
 
adj
 
lamellose
 
adj
 
la'mellarly
 
adv
 
'lamellately
 
adv
 
'lamellated
 
adj
 
lamel'lation
 
n
 
lamellosity
 
n

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
Cite This Source
American Heritage
Medical Dictionary

lamella la·mel·la (lə-měl'ə)
n. pl. la·mel·las or la·mel·lae (-měl'ē')

  1. A thin scale, plate, or layer of bone or tissue, as around the minute vascular canals in bone.

  2. A medicated gelatin disk, used instead of a solution for application to the conjunctiva. Also called disk.


la·mel'lar adj.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Cite This Source
Copyright © 2014 Dictionary.com, LLC. All rights reserved.
  • Please Login or Sign Up to use the Recent Searches feature