Definition of

F Number

  1. (noun, linkdef) the ratio of the focal length to the diameter of a (camera) lens system

via WordNet, Princeton University

Synonyms of F Number

focal ratio, speed, stop number

Alternate forms of F Number

Hypernyms: ratio

Words that sound like F Number

fanfare, fimbria, funfair

via soundex() Hash Matches

Note: If you're looking to improve your vocabulary right now, we highly recommend Ultimate Vocabulary Software.

Word of the Moment

Viburnum Lantana

vigorous deciduous European treelike shrub common along waysides; red berries turn black