DIOPTOMETER
Meaning of DIOPTOMETER in English
/duy'op tom"i teuhr/ , n. Ophthalm.
an instrument for measuring the refraction of the eye.
[ DI- 3 + OPT(IC) + -O- + -METER ]
Random House Webster's Unabridged English dictionary.
Полный английский словарь Вебстер - Random House .
2012