What are the best answers for “convex on both sides; shaped like a lentil”?

biconvex, lenticular, lentiform.

How many letters does the top answer for “convex on both sides; shaped like a lentil” have?

The most common answer is biconvex (8 letters).

3 answers found in Letterora's clue database (Wikidata facts, Open Trivia DB, WordNet and Webster definitions — all licensed sources).

biconvex 8 letters wn-def

convex on both sides; shaped like a lentil

lenticular 10 letters wn-def

convex on both sides; shaped like a lentil

lentiform 9 letters wn-def

convex on both sides; shaped like a lentil