adj, noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   A three-dimensional geometric shape that appears as a circle viewed from one direction and a convex lens viewed from every other orthogonal direction.

Adjective

1. 1
   Having the form of a lens; lens-shaped.

Etymology

From lens + -oid.

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.