Dioptral is valid Scrabble Word

Is dioptral a scrabble word?
Official Scrabble Players Dictionary YES
Official Tournament and Club Word List YES
Collins Scrabble Words YES
Is dioptral valid Words with Friends?
Words with Friends YES

8 letters word
11 points in Scrabble
13 points in WWF

Definitions for DIOPTRAL in dictionary:

NOUN:

a unit of measure of the refractive power of a lens, having the dimension of the reciprocal of length and a unit equal to the reciprocal of one meter. Abbreviation: D
an instrument, invented by Hipparchus, to measure the apparent diameter of the sun or moon or to estimate the size or elevation of distant objects.

ADJECTIVE:

relating to a diopter, a measure of refractive power

Words related to DIOPTRAL

dioptre10

Similar words containing DIOPTR without suffix al

dioptre10 dioptres11 dioptric13 dioptrate12 dioptrics14 dioptrical15 catadioptric19 dioptrically20 catadioptrical21

Find what other words can be done using letters: "dioptral"
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