EXTINCTION ANGLE

Pronunciation (US):

(GB):

 I. (noun) 

Sense 1

Meaning:

The angle from its axis that a crystal must be rotated before appearing maximally dark when viewed in polarized light

Synonyms:

angle of extinction; extinction angle

Classified under:

Nouns denoting two and three dimensional shapes

Hypernyms ("extinction angle" is a kind of...):

angle (the space between two lines or planes that intersect; the inclination of one line to another; measured in degrees or radians)

Credits