Meaning of PHOTOELASTICITY in English

— photoelastic /foh'toh i las"tik/ , adj.

/foh'toh i la stis"i tee, -ee'la stis"-/ , n. Physics.

the phenomenon of double refraction of polarized light by a transparent substance under elastic stress, used to measure strain in elastic, transparent materials.

[ 1910-15; PHOTO- + ELASTICITY ]

Random House Webster's Unabridged English dictionary.      Полный английский словарь Вебстер - Random House .