Associations to the word «Planoconvex»
Wiktionary
PLANOCONVEX, adjective. (optics) (of a lens) Having one side plane and the other convex
Dictionary definition
PLANOCONVEX, adjective. Flat on one side and convex on the other.
Wise words
The right word may be effective, but no word was ever as
effective as a rightly timed pause.