Associations to the word «Varifocal»
Wiktionary
VARIFOCAL, adjective. Having a variable focal length, with focus that changes in synchronization
VARIFOCAL LENS, noun. A spectacle lens whose magnifying power varies from top to bottom, allowing them to be used for both distance use and for reading
Wise words
To use the same words is not a sufficient guarantee of
understanding; one must use the same words for the same
genus of inward experience; ultimately one must have one's
experiences in common.