英和和英

jam an entire frequency spectrum

a spectrum called an X-ray spectrum

obscure rays in a spectrum

an optical spectrum consisting of narrowly spaced lines, called band spectrum

a spectrograph for acoustic spectra

spectral colors

the speech spectrum was displayed spectrographically

to separate light into rays of different colors

of or relating to a spectrum

index of refraction

of light, to separate into a spectrum

an emission spectrum called line spectrum

a clock that moves on the basis of the wave frequency of a spectral line

the spectrum of infrared radiation

spectral emanations

the spectrum of ultraviolet radiation

the rectilinear propagation of light

linearly polarized radiation

an electrical device that alters the frequency spectrum of signals passing through it

measurement of angles in radians

a spectroscope by which spectra can be photographed

polarize light waves

jam a narrow band of frequencies

the visible part of a spectrum

the spectrum of visible rays of light

slanting rays of light

apoapsis in Earth orbit

a circle with the radius equal to the radius of curvature

a curve which shows the distribution of errors called error curve

a resonance frequency