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

We should have a great fewer disputes in the world if words were taken for what they are, the signs of our ideas only, and not for things themselves.
John Locke