focal distance focal • focal epilepsy · · · Info · Definitions · Synonyms · Characters · · focal distance · · Text Common · · Latin · · Scripts 14 · · Length 4 · · Syllables Definitions · · · (noun) the distance from a lens to its focus. Synonyms: focal distance, focal length. · · Noun Definition 1 Synonyms · · · focal length · · Synonym 1 Characters · · space U+0020 a latin small letter a U+0061 c latin small letter c U+0063 d latin small letter d U+0064 e latin small letter e U+0065 f latin small letter f U+0066 i latin small letter i U+0069 l latin small letter l U+006C n latin small letter n U+006E o latin small letter o U+006F s latin small letter s U+0073 t latin small letter t U+0074