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Classic usage
Estimated CEFR level: C2 — Proficiency
Estimated from word frequency; not an official CEFR classification.
Inherited from Middle English lenticular, lenticuler, borrowed from Medieval Latin lenticulāris (“lentil-shaped”), from Latin lenticula, from lēns + -cula, ultimately from Latin lēns (“lentil”).
biconvex, convexo-convex, lentiform
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Classic usage
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