lenticular adjective & noun. [lɛn'tɪkjʊlǝ] LME.
[Latin lenticularis, formed as LENTICULE: see -AR¹.]
A. adjective.
1. Shaped like a lentil or a (usu. biconvex) lens. LME.

2. Of or pertaining to a lens; using a lens or lenses. L19.

3. Photography. (Of a film, screen, etc.) embossed with minute, usu. cylindrical, lenses so that two or more images can be interspersed; designating a method of colour photography using such a film together with filters. M20.
Special collocations: lenticular cloud Meteorology a lens-shaped cloud with sharp, occas. iridescent, outlines usu. associated with lee waves. lenticular galaxy Astronomy: having a flattened shape and dense centre like a spiral galaxy, but without spiral arms. lenticular gland Botany = LENTICEL. lenticular nucleus Anatomy = LENTIFORM nucleus.
B. noun. A surgical knife with a lenticular shape. LME-E19.

■ lenticu'larity noun lenticular form or quality E20.

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