TRIFOCAL


Meaning of TRIFOCAL in English

transcription, транскрипция: [ traɪˈfəukəl ]

adj. & n. --adj. having three focuses, esp. of a lens with different focal lengths. --n. (in pl.) trifocal spectacles.

English main colloquial, spoken dictionary.      Английский основной разговорный словарь.