HELP
 

All Words Glossary

Glossary of Optics Terms
beginning with letter P
Browse the Optics Glossary
A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

parallax Tweet Definition of parallax Like Definition of parallax on Facebook
noun
  1. The change of angular position of two stationary points relative to each other as seen by an observer, due to the motion of an observer
  2. The apparent shift of an object against a background due to a change in observer position
periscope Tweet Definition of periscope Like Definition of periscope on Facebook
noun
  1. (obsolete): A general or comprehensive view.
  2. A form of viewing device that allows the viewer to see things at a different height level and usually with minimal visibility.
PH Tweet Definition of PH Like Definition of PH on Facebook
abbreviation
  1. Philippines
  2. public house
  3. Penthouse
  4. Preliminary Hearing
photic Tweet Definition of photic Like Definition of photic on Facebook
adjective
  1. of, related to, or irradiated by light; especially describing that part of the near-surface ocean is which photosynthesis is possible
photoinduced Tweet Definition of photoinduced Like Definition of photoinduced on Facebook
adjective
  1. induced as a result of interaction with electromagnetic radiation
photometer Tweet Definition of photometer Like Definition of photometer on Facebook
noun
  1. (physics) Any of several instruments used to measure various aspects of the intensity of light
photometry Tweet Definition of photometry Like Definition of photometry on Facebook
noun
  1. (physics) The measurement of various aspects of light, especially its intensity
  2. (astronomy) The measurement of the intensity and spectrum of light from stars
photomicroscope Tweet Definition of photomicroscope Like Definition of photomicroscope on Facebook
noun
  1. an instrument (microscope plus camera) that is used for making photomicrographs
photomultiplier Tweet Definition of photomultiplier Like Definition of photomultiplier on Facebook
noun
  1. (physics) A device, normally in the form of a tube, that uses a photocathode to convert photons into photoelectrons which are then amplified
plano-convex Tweet Definition of plano-convex Like Definition of plano-convex on Facebook
adjective
  1. Flat or plane on one side and rounded on the other, such that the center is thicker than the edges.
polarimeter Tweet Definition of polarimeter Like Definition of polarimeter on Facebook
noun
  1. an instrument used to measure the rotation of the plane of polarized light as it passes through a sample of an optically active compound
polariscope Tweet Definition of polariscope Like Definition of polariscope on Facebook
noun
  1. a polarimeter
polarization Tweet Definition of polarization Like Definition of polarization on Facebook
noun
  1. the production, or the condition of polarity
  2. (physics) the production of polarized light; the direction in which the electric field of an electromagnetic wave points
  3. (context, chemistry, physics) the separation of positive and negative charges in a nucleus, atom, molecule or system
  4. the grouping of opinions into two extremes
primary Tweet Definition of primary Like Definition of primary on Facebook
noun (primar, ies)
  1. A preliminary election to select a political candidate.
  2. The first year of grade school.
  3. A base or fundamental component; something that is irreducible.
  4. The most massive component of a gravitationally bound system.
verb (primaries, primarying, primaried)
  1. To take part in a primary election
adjective
  1. The first in a group or series.
Children attend school, teenagers attend secondary school.
  1. That which is placed ahead of others.
Preferred stock has claim on dividends, ahead of common stock.
prism Tweet Definition of prism Like Definition of prism on Facebook
noun
  1. (mathematics) A polyhedron with parallel ends of the same size and shape, the other faces being parallelogram-shaped sides.
  2. A transparent block in the shape of a prism (typically with triangular ends), used to split or reflect light.
  3. A crystal in which the faces are parallel to the vertical axis.
prismatic Tweet Definition of prismatic Like Definition of prismatic on Facebook
adjective
  1. Of or pertaining to a prism; having the form of a prism.
  2. Separated or distributed by, or as if by, a transparent prism; formed by a prism; varied or brilliant in color.
projector Tweet Definition of projector Like Definition of projector on Facebook
noun
  1. an optical device that projects a beam of light, especially one used to project an image (or moving images) onto a screen
pseudoscope Tweet Definition of pseudoscope Like Definition of pseudoscope on Facebook
noun
  1. (optics) An optical instrument that reverses perception of depth.
purity Tweet Definition of purity Like Definition of purity on Facebook
noun (purities)
  1. The state of being pure.

Browse the Dictionary
A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

 Find:
  Words Starting With:
  Words Ending With:
  Words Containing:
  Words That Match:

 
Translate Into:
Dutch   French   German
  
Italian   Spanish
    Show results per page.

   
Allwords Copyright 1998-2019 All rights reserved.

privacy policy