Found in the following dictionaries
SOWPODS (Collins Scrabble Words)
OTCWL2014 (NASPA Word List 2014)
TWL06 (NASPA List 2006)
OTCWL2014 (NASPA Word List 2014)
TWL06 (NASPA List 2006)
"Aplanat" Definition
noun
A lens that has been corrected for spherical aberration and coma in order to produce a rectilinear image.
Source: Wiktionary
A system of lenses invented by adolph steinheil, in 1866, for use in photography, consisting of a biconvex crown-glass lens placed between two concavo-convex lenses of flint-glass.
Source: Century Dictionary
A reflecting or refracting surface which is free from spherical aberration.
Source: Oxford Dictionary
We love the game of Scrabble®, which is why we created Free Scrabble Dictionary - a simple lookup tool to check if the word you want to play is valid in the game of Scrabble®. At the top of every page, you can enter your word and click "Search Dictionary." We'll let you know whether your word is playable and provide a few definitions as well.