FOCOMETER


Meaning of FOCOMETER in English

/foh kom"i teuhr/ , n. Optics.

an instrument for measuring the focal length of a lens or other optical system.

[ 1850-55; FOC(US) + -O- + -METER ]

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