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Meaning of FOCAL

Pronunciation:  'fowkul

 
WordNet Dictionary
 
 Definition: 
  1. [adj]  having or localized centrally at a focus; "focal point"; "focal infection"
  2. [adj]  of or relating to a focus; "focal length"
 

FOCAL is a 5 letter word that starts with F.

 

 Synonyms: central
 

 

 

Webster's 1913 Dictionary
 
 Definition: 
\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.

 
Computing Dictionary
 
 Definition: 

1. FOrmula CALculator.

An interactive system written by Rick Merrill of dec in 1969 for pdp-5 and pdp-8. It was a descendant of aid/joss.

Versions: FOCAL-69, FOCAL-1971, FOCAL-11 (for pdp-11 under rt-11).

2. Forty-One CAlculator Language.

The programming language of the HP-41 calculator line.

 
Thesaurus Terms
 
 Related Terms: 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
 

 

 

 

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