Definition of ordinary ray
: the part of a ray divided in two by double refraction that follows the ordinary laws of refraction because its speed is the same in all directions through the doubly refracting medium
Love words? Need even more definitions?Merriam-Webster unabridged
Words at Play
- What Puts the 'Tide' in ‘Yuletide'?
- 13 Breakfast Foods That Are Also Verbs
- The Declassified History of 'Security Blanket'
- If You Like to Complain About 'Decimate'...
Ask the Editors