lamina

[lam-uh-nuh]

noun

plural

laminae, laminas 

1. a thin plate, scale, or layer.

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

3. Botany.,  the blade or expanded portion of a leaf.

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

lamina

/ -ˌnəʊz, ˈlæmɪˌnəʊs, ˈlæmɪnə /

noun

1. a thin plate or layer, esp of bone or mineral

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

lamina

plural

laminae 

1. The expanded area of a leaf or petal; a blade.

2. See more at leaf

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

4. 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.

Other Word Forms

• laminar adjective

Word History and Origins

Origin of lamina¹

From Latin, dating back to 1650–60; lame ²

Word History and Origins

Origin of lamina¹

C17: New Latin, from Latin: thin plate