The photometer is used to measure, simultaneously, the luminosities and diameters of galaxies lying beyond those in our own neighborhood of the universe (Science News).
Useful english dictionary. 2012.
as|tro|pho|tom|e|ter — «AS troh foh TOM uh tuhr», noun. a photometer for measuring the intensity of the light of celestial bodies … Useful english dictionary
bath|y|pho|tom|e|ter — «BATH uh foh TOM uh tuhr», noun. an instrument for measuring the intensity of light in the sea, especially at a relatively deep level. ╂[< Greek bathýs deep + English photometer] … Useful english dictionary
mi|cro|pho|tom|e|ter — «MY kroh foh TOM uh tuhr», noun. a type of densitometer that measures and analyzes light passed through a photographic negative. It is particularly useful in detecting cancerous tissue and in determining the magnitude of stars: »The light the… … Useful english dictionary
mi|cro|spec|tro|pho|tom|e|ter — «MY kroh SPEHK troh foh TOM uh tuhr», noun. a spectrophotometer used for the examination of light reflected by very small specimens: »All three made direct measurements of the light reflected by individual cone cells in the retina, using a… … Useful english dictionary
py|ro|pho|tom|e|ter — «PY roh foh TOM uh tuhr, PIHR oh », noun. a form of pyrometer, that measures temperatures by optical means … Useful english dictionary
spec|tro|pho|tom|e|ter — «SPEHK troh foh TOM uh tuhr», noun. an instrument used to compare the intensities of two spectra, or the intensity of a given color with that of the corresponding color in a standard spectrum … Useful english dictionary
ter — ter; ter·a·con·ic; ter·a·cryl·ic; ter·a·glin; ter·aph; ter·as; ter·a·tism; ter·a·to·genesis; ter·a·to·gen·ic; ter·a·to·log·i·cal; ter·a·tol·o·gist; ter·a·tol·o·gy; ter·a·to·ma; ter·a·to·sis; ter·bi·um; ter·centennial; ter·centesimal; ter·ce·ron;… … English syllables
tom — ac·cus·tom; ac·e·tom·e·ter; ac·e·tom·e·try; ad·ap·tom·e·ter; an·a·tom·ic; an·a·tom·i·co·path·o·log·ic; an·gi·o·sco·tom·e·try; an·thro·po·tom·i·cal; ap·er·tom·e·ter; ar·gen·tom·e·ter; ar·gen·tom·e·try; au·tom·a·tism; au·tom·a·tist;… … English syllables
photometer — pho·tom·e·ter … English syllables
photometer — pho•tom•e•ter [[t]foʊˈtɒm ɪ tər[/t]] n. opt an instrument that measures luminous intensity or brightness, luminous flux, light distribution, color, etc., usu. by comparing the light emitted by two sources, one source having certain specified… … From formal English to slang
