dif|frac|tion

dif|frac|tion
dif|frac|tion «dih FRAK shuhn», noun. Physics.
1. a spreading of light around an obstacle into a series of light and dark bands or into colored bands of the spectrum: »

Newton had attempted to infer from…diffraction phenomena the size of the corpuscles of matter (Scientific American).

2. a similar spreading of other waves, such as sound waves, as when a wave front changes from a straight line to a curved line.
3. a change in the direction of an electron beam, such as occurs when the beam comes in contact with a crystal of nickel.

Useful english dictionary. 2012.

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Look at other dictionaries:

  • tion — ab·bre·vi·a·tion; ab·di·ca·tion; ab·duc·tion; ab·er·ra·tion; ab·er·ra·tion·al; ab·jec·tion; ab·junc·tion; ab·ju·ra·tion; ab·lac·ta·tion; ab·la·tion; ab·lu·tion; ab·mi·gra·tion; ab·ne·ga·tion; ab·o·li·tion; ab·o·li·tion·ary; ab·o·li·tion·dom;… …   English syllables

  • frac — an·frac·tu·os·i·ty; an·frac·tu·ous; con·gel·i·frac·tion; dif·frac·tion; dif·frac·tom·e·ter; ef·frac·tion; frac·tion·al·ism; frac·tion·al·iza·tion; frac·tion·al·ize; frac·tion·al·ly; frac·tion·ary; frac·tion·ate; frac·tion·a·tion; frac·tion·a·tor; …   English syllables

  • dif — ac·i·dif·er·ous; di·a·mon·dif·er·ous; dif·fa; dif·far·re·a·tion; dif·fer·en·cy; dif·fer·en·tia; dif·fer·en·tia·bil·i·ty; dif·fer·en·tia·ble; dif·fer·en·tial·ly; dif·fer·en·ti·a·tion; dif·fer·en·ti·a·tor; dif·fer·ent·ly; dif·fer·ent·ness;… …   English syllables

  • diffraction — dif·frac·tion …   English syllables

  • diffraction — dif|frac|tion [ dı frækʃn ] noun uncount TECHNICAL the process by which sound, water, and light waves change when they pass over an object or through a narrow space …   Usage of the words and phrases in modern English

  • diffraction — dif•frac•tion [[t]dɪˈfræk ʃən[/t]] n. phs a modulation of waves in response to an obstacle, as an object, slit, or grating, in the path of propagation, giving rise in light waves to a banded pattern or to a spectrum • Etymology: 1665–75; < NL… …   From formal English to slang

  • diffraction — Deflection of the rays of light from a straight line in passing by the edge of an opaque body or in passing an obstacle of about the size of the wavelength of the light. [L. dif fringo, pp. fractus, to break in pieces] * * * dif·frac·tion dif rak …   Medical dictionary

  • Diffraction — Dif*frac tion, n. [Cf. F. diffraction.] (Opt.) The deflection and decomposition of light in passing by the edges of opaque bodies or through narrow slits, causing the appearance of parallel bands or fringes of prismatic colors, as by the action… …   The Collaborative International Dictionary of English

  • Diffraction grating — Diffraction Dif*frac tion, n. [Cf. F. diffraction.] (Opt.) The deflection and decomposition of light in passing by the edges of opaque bodies or through narrow slits, causing the appearance of parallel bands or fringes of prismatic colors, as by… …   The Collaborative International Dictionary of English

  • Diffraction spectrum — Diffraction Dif*frac tion, n. [Cf. F. diffraction.] (Opt.) The deflection and decomposition of light in passing by the edges of opaque bodies or through narrow slits, causing the appearance of parallel bands or fringes of prismatic colors, as by… …   The Collaborative International Dictionary of English

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