Word Meanings - DIRECTRIX - Book Publishers vocabulary database

1. A directress. Jer. Taylor. A line along which a point in another line moves, or which in any way governs the motion of the point and determines the position of the curve generated by it; the line along which the generatrix moves in generating

Additional info about word: DIRECTRIX

1. A directress. Jer. Taylor. A line along which a point in another line moves, or which in any way governs the motion of the point and determines the position of the curve generated by it; the line along which the generatrix moves in generating a surface. A straight line so situated with respect to a conic section that the distance of any point of the curve from it has a constant ratio to the distance of the same point from the focus.

Related words: (words related to DIRECTRIX)

• ANOTHER-GUESS
  Of another sort. It used to go in another-guess manner. Arbuthnot.
• MOTIONER
  One who makes a motion; a mover. Udall.
• MOTIONIST
  A mover.
• ALONGSIDE
  Along or by the side; side by side with; -- often with of; as, bring the boat alongside; alongside of him; alongside of the tree.
• 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
• 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.
• CURVE
  Bent without angles; crooked; curved; as, a curve line; a curve surface.
• WHICHEVER; WHICHSOEVER
  Whether one or another; whether one or the other; which; that one which; as, whichever road you take, it will lead you to town.
• 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.
• POINTLESS
  Having no point; blunt; wanting keenness; obtuse; as, a pointless sword; a pointless remark. Syn. -- Blunt; obtuse, dull; stupid.
• MOTION PICTURE
  A moving picture.
• DIRECTRESS
  A woman who directs. Bp. Hurd.
• WHICH
  the root of hwa who + lic body; hence properly, of what sort or kind; akin to OS. hwilik which, OFries. hwelik, D. welk, G. welch, OHG. welih, hwelih, Icel. hvilikr, Dan. & Sw. hvilken, Goth. hwileiks, 1. Of what sort or kind; what; what a; who.
• MOTIONLESS
  Without motion; being at rest.
• TAYLOR-WHITE PROCESS
  A process (invented about 1899 by Frederick W. Taylor and Maunsel B. White) for giving toughness to self-hardening steels. The steel is heated almost to fusion, cooled to a temperature of from 700º to 850º C. in molten lead, further cooled in
• GENERATIVE
  Having the power of generating, propagating, originating, or producing. "That generative particle." Bentley.
• EXCITO-MOTION
  Motion excited by reflex nerves. See Excito-motory.
• COVER-POINT
  The fielder in the games of cricket and lacrosse who supports "point."
• RETROGENERATIVE
  Begetting young by retrocopulation.
• NERVIMOTION
  The movement caused in the sensory organs by external agents and transmitted to the muscles by the nerves. Dunglison.
• APPOSITION
  The state of two nouns or pronouns, put in the same case, without a connecting word between them; as, I admire Cicero, the orator. Here, the second noun explains or characterizes the first. Growth by apposition , a mode of growth characteristic
• KALONG
  A fruit bat, esp. the Indian edible fruit bat (Pteropus edulis).
• OPPOSITIONIST
  One who belongs to the opposition party. Praed.
• INGENERATION
  Act of ingenerating.
• UNREGENERATION
  Unregeneracy.
• TROIS POINT
  The third point from the outer edge on each player's home table.
• RECURVE
  To curve in an opposite or unusual direction; to bend back or down.
• 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.