 | WordWeight : Weighing the Words |
| WordWeight : Weighing the Words |
Focal
Pronunciation : Fo"cal
Part of Speech : a.
Etymology : [Cf.F. focal. See Focus.]
Definition : Defn: 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.
Source : Webster's Unabridged Dictionary, 1913
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