point source

point source
In photometry, a very small source of light that is regarded as a geometric point from which light emanates in straight lines in all directions.

Medical dictionary. 2011.

Игры ⚽ Нужно решить контрольную?

Look at other dictionaries:

  • point source — point′ source n. opt phs a source of radiation sufficiently distant compared to its length and width that it can be considered as a point • Etymology: 1900–05 …   From formal English to slang

  • Point source — For other uses, see Point source (disambiguation). A point source is a single identifiable localized source of something. A point source has negligible extent, distinguishing it from other source geometries. Sources are called point sources… …   Wikipedia

  • point source — noun a concentrated source (especially of radiation or pollution) that is spatially constricted • Hypernyms: ↑beginning, ↑origin, ↑root, ↑rootage, ↑source * * * I. noun : a source of light or other radiation that is concentrated at a point …   Useful english dictionary

  • point source — noun a) a source of pollution, radiation, waves, fluid or other substance that has one specific location (and negligible physical extent, distinguishing a point source from other source geometries). In simulations they can often be approximated… …   Wiktionary

  • point source — taškinis šaltinis statusas T sritis automatika atitikmenys: angl. point source vok. Punktquelle, f rus. точечный источник, m pranc. source ponctuelle, f …   Automatikos terminų žodynas

  • point source — taškinis šaltinis statusas T sritis fizika atitikmenys: angl. point source vok. punktförmige Quelle, f; Punktquelle, f rus. точечный источник, m pranc. source ponctuelle, f …   Fizikos terminų žodynas

  • Point source pollution — A point source of pollution is a single identifiable localized source of air, water, thermal, noise or light pollution. A point source has negligible extent, distinguishing it from other pollution source geometries. The sources are called point… …   Wikipedia

  • Point source (disambiguation) — A point source is a localised relatively small source of something.Point source may also refer to: *Point source (pollution), a localised (small) source of pollution *Point mass, a point source of gravitational field …   Wikipedia

  • point-source lamp — taškinė lempa statusas T sritis fizika atitikmenys: angl. point lamp; point light lamp; point source lamp vok. Punktlampe, f; Punktlichtlampe, f rus. точечная лампа, f pranc. lampe à source de lumière ponctuelle, f; lampe ponctuelle, f; lampe… …   Fizikos terminų žodynas

  • point source method — a method of intracavitary irradiation of the bladder wall utilizing a small point source of radiation at the center of a Foley catheter balloon inflated with a radiopaque solution containing methylene blue or indigo carmine …   Medical dictionary

  • point-source photometry — taškinių šaltinių fotometrija statusas T sritis fizika atitikmenys: angl. point source photometry vok. Punktphotometrie, f rus. фотометрия точечных источников, f pranc. photométrie de sources ponctuelles, f …   Fizikos terminų žodynas

Share the article and excerpts

Direct link
Do a right-click on the link above
and select “Copy Link”