lamella

American  

[luh-mel-uh] / ləˈmɛl ə /

noun

lamellae, plural lamellas plural

1. a thin plate, scale, membrane, or layer, as of bone, tissue, or cell walls.

2. Botany.

   1. 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.

   2. (in mosses) a thin sheet of cells standing up along the midrib of a leaf.

3. Mycology. gill.

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.

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lamella British  

/ ˌlæməˈlɒsɪtɪ, -lɪt, -lɪt, ləˈmɛləʊs, ˈlæmɪˌleɪt, ˈlæmɪˌləʊs, ləˈmɛlə, ləˈmɛleɪt /

noun

1. a thin layer, plate, or membrane, esp any of the calcified layers of which bone is formed

2. botany

   1. any of the spore-bearing gills of a mushroom

   2. any of the membranes in a chloroplast

   3. 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

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Other Word Forms

Derived Forms

• lamellated
  adjective
• lamellar
  adjective
• lamellation
  noun
• lamellarly
  adverb
• lamellosity
  noun

Inflected Forms

noun

• lamellas
  plural
• lamellae
  plural

Etymology

Origin of lamella

1670–80; < Latin lāmella, diminutive of lāmina lame ²

Example Sentences

Lamella, l�-mel′a, n. a thin plate or scale:—pl.

From Chambers's Twentieth Century Dictionary (part 2 of 4: E-M) by Various

Lamella, a radiating plate under the cap of an Agaric.

From Among the Mushrooms A Guide For Beginners by Dallas, Ellen M.

Related Words

• layer
• slab
• slice