About The Word Focal
Learn about the word Focal to help solve your crossword puzzle. Discover Focal definitions and meaning, origins, synonyms, related terms and more at the free Crossword Dictionary.
Focal
| Focal Definition And Meaning |
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What's The Definition Of Focal?
[adj] having or localized centrally at a focus; "focal point"; "focal infection"
[adj] of or relating to a focus; "focal length" Synonyms | Synonyms for Focal: central Related Terms | Find terms related to Focal: approaching | arch | asymptotic | banner | basic | bedrock | capital | cardinal | central | centralized | centred | centripetal | centrolineal | champion | chief | concentrated | concurrent | confluent | confocal | connivent | convergent | converging | crowning | dominant | essential | first | foremost | fundamental | great | headmost | hegemonic | indispensable | leading | life-and-death | life-or-death | magisterial | main | master | material | meeting | mutually approaching | of vital importance | overruling | paramount | predominant | preeminent | preponderant | prevailing | primal | primary | prime | principal | radial | radiating | ranking | ruling | sovereign | star | stellar | substantive | supereminent | tangent | tangential | topflight | uniting | vital See Also | Focal In Webster's Dictionary \Fo"cal\, a. [Cf. F. focal. See {Focus}.]
Belonging to,or concerning, a focus; as, a focal point.
{Focal distance, or length, of a lens or mirror} (Opt.), the
distance of the focus from the surface of the lens or
mirror, or more exactly, in the case of a lens, from its
optical center.
{Focal distance of a telescope}, the distance of the image of
an object from the object glass.
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