follow Dictionary.com

Today's Word of the Day means...

prism diopter

noun, Optics.
1.
a unit of prismatic deviation, in which the number one represents a prism that deflects a beam of light a distance of one centimeter on a plane placed normal to the initial direction of the beam and one meter away from the prism.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
Cite This Source
prism-diopter in Medicine

prism diopter n.
Abbr. PD
The unit measuring the deflection of light passing through a prism equal to a deflection of 1 centimeter at a distance of 1 meter.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Cite This Source

Word of The Day

Difficulty index for prism diopter

Few English speakers likely know this word

Word Value for prism

9
11
Scrabble Words With Friends

Quotes with prism-diopter