Diopter is valid Scrabble Word

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

7 letters word
10 points in Scrabble
11 points in WWF

Definitions for DIOPTER in dictionary:

NOUN:

a measure of refractive power, also DIOPTRE
a unit of refractive power, which is equal to the reciprocal of the focal length (in metres) of a given lens
Alt. of Dioptra
a unit of measurement of the refractive power of a lens which is equal to the reciprocal of the focal length measured in meters; used by oculists

OTHER DEFINITIONS:

same as dioptre

Words related to DIOPTER

diopters11 dioptre10

Words that contain DIOPTER

diopters11

Similar words containing DIOPT without suffix er

dioptre10 dioptase11 diopters11 dioptral11 dioptres11 dioptric13 dioptases12 dioptrate12 dioptrics14 dioptrical15 dioptometer16 dioptometry19 catadioptric19 dioptometers17 dioptrically20 dioptometries18 catadioptrical21

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