lenticle

American  

[len-ti-kuhl] / ˈlɛn tɪ kəl /

noun

1. a window in a clock case revealing the motion of the pendulum bob.

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lenticle British  

/ ˈlɛntɪkəl /

noun

1. geology a lens-shaped layer of mineral or rock embedded in a matrix of different constitution

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Etymology

Origin of lenticle

< Latin lenticula lentil, equivalent to lenti- (stem of lēns; lens ) + -cula -cle ¹

Example Sentences

Each such complex of cells underlying the lenticle of a compound eye is called an “ommatidium”; the entire mass of cells underlying a monomeniscous eye is an “ommataeum.”

From Project Gutenberg

Each ommatidium is an elongated cone with its broad extremity abutting against the corneal lenticle.

From Project Gutenberg

C, Ocular unit or ommatidium of compound Eye of Scutigera. len, corneal lenticle; c.c, crystalline cone; 1, pigmented cells of outermost tier; 2, 3, retinular cells of middle and innermost tiers; rbd, rhabdomeres; n. opt, optic nerve; pg, pigment cells.

From Project Gutenberg