Word Meanings - FOCAL - Book Publishers vocabulary database
Belonging to,or concerning, a focus; as, a focal point. Focal distance, or length,of a lens or mirror , 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.
Additional info about word: FOCAL
Belonging to,or concerning, a focus; as, a focal point. Focal distance, or length,of a lens or mirror , 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.
Related words: (words related to FOCAL)
- FOCAL
Belonging to,or concerning, a focus; as, a focal point. Focal distance, or length,of a lens or mirror , 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. - SURFACE LOADING
The weight supported per square unit of surface; the quotient obtained by dividing the gross weight, in pounds, of a fully loaded flying machine, by the total area, in square feet, of its supporting surface. - LENGTHEN
To extent in length; to make longer in extent or duration; as, to lengthen a line or a road; to lengthen life; -- sometimes followed by out. What if I please to lengthen out his date. Dryden. - EXACTLY
In an exact manner; precisely according to a rule, standard, or fact; accurately; strictly; correctly; nicely. "Exactly wrought." Shak. His enemies were pleased, for he had acted exactly as their interests required. Bancroft. - POINT SWITCH
A switch made up of a rail from each track, both rails being tapered far back and connected to throw alongside the through rail of either track. - POINTLESSLY
Without point. - POINT-DEVICE; POINT-DEVISE
Uncommonly nice and exact; precise; particular. You are rather point-devise in your accouterments. Shak. Thus he grew up, in logic point-devise, Perfect in grammar, and in rhetoric nice. Longfellow. (more info) + point point, condition + devis - LENGTHFUL
Long. Pope. - FOCALIZE
To bring to a focus; to focus; to concentrate. Light is focalized in the eye, sound in the ear. De Quincey. - POINTAL
The pistil of a plant. 2. A kind of pencil or style used with the tablets of the Middle Ages. "A pair of tablets . . . and a pointel." Chaucer. - POINTED
1. Sharp; having a sharp point; as, a pointed rock. 2. Characterized by sharpness, directness, or pithiness of expression; terse; epigrammatic; especially, directed to a particular person or thing. His moral pleases, not his pointed wit. Pope. - FOCUS
A point in which the rays of light meet, after being reflected or refrcted, and at which the image is formed; as, the focus of a lens or mirror. (more info) fireplace; perh. akin to E. bake. Cf. Curfew, Fuel, Fusil the - LENGTHINESS
The state or quality of being lengthy; prolixity. - CENTERING
See 6 - POINT ALPHABET
An alphabet for the blind with a system of raised points corresponding to letters. - POINTSMAN
A man who has charge of railroad points or switches. - DISTANCE
A space marked out in the last part of a race course. The horse that ran the whole field out of distance. L'Estrange. Note: In trotting matches under the rules of the American Association, the distance varies with the conditions of the race, being - POINTLESS
Having no point; blunt; wanting keenness; obtuse; as, a pointless sword; a pointless remark. Syn. -- Blunt; obtuse, dull; stupid. - CENTERBIT; CENTREBIT
An instrument turning on a center, for boring holes. See Bit, n., 3. - CONCERNEDLY
In a concerned manner; solicitously; sympathetically. - CONCENTER; CONCENTRE
To come to one point; to meet in, or converge toward, a common center; to have a common center. God, in whom all perfections concenter. Bp. Beveridge. - SYNOPTIC; SYNOPTICAL
Affording a general view of the whole, or of the principal parts of a thing; as, a synoptic table; a synoptical statement of an argument. "The synoptic Gospels." Alford. -- Syn*op"tic*al*ly, adv. - INEXACTLY
In a manner not exact or precise; inaccurately. R. A. Proctor. - COVER-POINT
The fielder in the games of cricket and lacrosse who supports "point." - UNCONCERNMENT
The state of being unconcerned, or of having no share or concern; unconcernedness. South. - SELF-CENTERING; SELF-CENTRING
Centering in one's self. - TROIS POINT
The third point from the outer edge on each player's home table. - REAPPOINT
To appoint again. - STANDPOINT
A fixed point or station; a basis or fundamental principle; a position from which objects or principles are viewed, and according to which they are compared and judged. - INTERPOINT
To point; to mark with stops or pauses; to punctuate. Her sighs should interpoint her words. Daniel. - ALENGTH
At full length; lenghtwise. Chaucer.