plural lamellae
lə-ˈme-(ˌ)lē 
-ˌlī
also lamellas
-ˌlī
also lamellas
: a thin flat scale, membrane, or layer: such as
a
: one of the thin plates composing the gills of a bivalve mollusk
b
: a gill of a mushroom
c
: one of the bony concentric layers surrounding a Haversian canal in bone
Examples of lamella in a Sentence
the gemstone's distinctive iridescence is caused by light passing from one lamella of crystal to another
Recent Examples on the Web
In addition, the floor-standing loudspeakers are adorned with aluminum lamellas inspired by Ferrari’s lateral side air vents.
—
Abby Montanez, Robb Report, 8 Oct. 2024
The historic finding mostly hinged on the architectural style of the ceiling and roof, called a lamella roof.
—Corina Vanek, The Arizona Republic, 11 Apr. 2024
However, the site is one of only two in the city that show intact examples of an architectural style of ceiling and roof, called a lamella roof.
—The Arizona Republic, 13 Mar. 2024
Those vents are slotted to mimic the lamella structures on the undersides of mushrooms, and that design theme permeates the interior.
—Dan Edmunds, Car and Driver, 3 Sep. 2023
The beak’s two yellow ridges, called the lamella and the cere, lit up.
—Julissa Treviño, Smithsonian, 9 Apr. 2018
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Abby Montanez, Robb Report, 8 Oct. 2024
The historic finding mostly hinged on the architectural style of the ceiling and roof, called a lamella roof.
—Corina Vanek, The Arizona Republic, 11 Apr. 2024
However, the site is one of only two in the city that show intact examples of an architectural style of ceiling and roof, called a lamella roof.
—The Arizona Republic, 13 Mar. 2024
Those vents are slotted to mimic the lamella structures on the undersides of mushrooms, and that design theme permeates the interior.
—Dan Edmunds, Car and Driver, 3 Sep. 2023
The beak’s two yellow ridges, called the lamella and the cere, lit up.
—Julissa Treviño, Smithsonian, 9 Apr. 2018
Cite this Entry
“Lamella.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/lamella. Accessed 13 Jul. 2025.
Copy CitationKids Definition
lamella
noun
la·mel·la
lə-ˈmel-ə
plural lamellae
-ˈmel-(ˌ)ē
-ˌī
also lamellas
: a thin flat scale, layer, or membrane
Medical Definition
lamella
noun
la·mel·la
lə-ˈmel-ə
1
: an organ, process, or part resembling a plate: as
a
: one of the bony concentric layers surrounding the Haversian canals in bone
b(1)
: one of the incremental layers of cementum laid down in a tooth
(2)
: a thin sheetlike organic structure in the enamel of a tooth extending inward from a surface crack
2
: a small medicated disk prepared from gelatin and glycerin for use especially in the eyes
lamellae of atropine
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