( a. )
Having all or many degrees of power; having a great range of power; -- said of an eyepiece made adjustable so as to give a varying magnifying power.
( a. )
Having all or many degrees of power; having a great range of power; -- said of an eyepiece made adjustable so as to give a varying magnifying power.
Webster's Revised Unabridged English Dictionary. Пересмотренный полный словарь английского языка Webster. 2012