Word Meanings - ANASTIGMATIC - Book Publishers vocabulary database

Not astigmatic; --said esp. of a lens system which consists of a converging lens and a diverging lens of equal and opposite astigmatism but different focal lengths, and sensibly free from astigmatism.

Related words: (words related to ANASTIGMATIC)

• 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.
• DIFFERENTIALLY
  In the way of differentiation.
• SYSTEMATIZE
  To reduce to system or regular method; to arrange methodically; to methodize; as, to systematize a collection of plants or minerals; to systematize one's work; to systematize one's ideas. Diseases were healed, and buildings erected, before medicine
• EQUALIZER
  One who, or that which, equalizes anything.
• DIFFERENTLY
  In a different manner; variously.
• FOCALIZE
  To bring to a focus; to focus; to concentrate. Light is focalized in the eye, sound in the ear. De Quincey.
• SYSTEMLESS
  Not agreeing with some artificial system of classification. (more info) 1. Being without system.
• DIFFERENT
  1. Distinct; separate; not the same; other. "Five different churches." Addison. 2. Of various or contrary nature, form, or quality; partially or totally unlike; dissimilar; as, different kinds of food or drink; different states of health; different
• EQUALIZE
  1. To make equal; to cause to correspond, or be like, in amount or degree as compared; as, to equalize accounts, burdens, or taxes. One poor moment can suffice To equalize the lofty and the low. Wordsworth. No system of instruction will completely
• SYSTEMIZATION
  The act or process of systematizing; systematization.
• 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.
• SYSTEMATISM
  The reduction of facts or principles to a system. Dunglison.
• SYSTEMATIST
  1. One who forms a system, or reduces to system. 2. One who adheres to a system.
• SYSTEMATIZATION
  The act or operation of systematizing.
• EQUALITY
  Exact agreement between two expressions or magnitudes with respect to quantity; -- denoted by the symbol =; thus, a = x signifies that a contains the same number and kind of units of measure that x does. Confessional equality. See under
• 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.
• ASTIGMATIC
  Affected with, or pertaining to, astigmatism; as, astigmatic eyes; also, remedying astigmatism; as, astigmatic lenses.
• CONVERGING
  Tending to one point; approaching each other; convergent; as, converging lines. Whewell. Converging rays , rays of light, which, proceeding from different points of an object, tend toward a single point. -- Converging series , a series in which
• DIVERGE
  Etym: 1. To extend from a common point in different directions; to tend from one point and recede from each other; to tend to spread apart; to turn aside or deviate ; -- opposed to converge; as, rays of light diverge as they proceed from the sun.
• DIFFERENTIA
  The formal or distinguishing part of the essence of a species; the characteristic attribute of a species; specific difference.
• UNEQUALABLE
  Not capable of being equaled or paralleled. Boyle.
• BERTILLON SYSTEM
  A system for the identification of persons by a physical description based upon anthropometric measurements, notes of markings, deformities, color, impression of thumb lines, etc.
• CONTINENTAL SYSTEM
  The system of commercial blockade aiming to exclude England from commerce with the Continent instituted by the Berlin decree, which Napoleon I. issued from Berlin Nov. 21, 1806, declaring the British Isles to be in a state of blockade, and British
• INEQUALITY
  An expression consisting of two unequal quantities, with the sign of inequality between them; as, the inequality 2 < 3, or 4 > 1. (more info) 1. The quality of being unequal; difference, or want of equality, in any respect; lack of uniformity;
• INDIFFERENTLY
  In an indifferent manner; without distinction or preference; impartially; without concern, wish, affection, or aversion; tolerably; passably. That they may truly and indifferently minister justice, to the punishment of wickedness and vice, and to
• CHAUTAUQUA SYSTEM OF EDUCATION
  The system of home study established in connection with the summer schools assembled at Chautauqua, N. Y., by the Methodist Episcopal bishop, J. H. Vincent.
• TANDEM SYSTEM
  = Cascade system.
• UNEQUALNESS
  The quality or state of being unequal; inequality; unevenness. Jer. Taylor.