英和和英

obscure rays in a spectrum

a spectrum called an X-ray spectrum

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

of or relating to a spectrum

an emission spectrum called line spectrum

of light, to separate into a spectrum

a vertical line

to separate light into rays of different colors

spectral emanations

a set of drawn lines describing shapes

the spectrum of ultraviolet radiation

a jagged line

the line that indicates longitude

a line called {synclinal axis}

a line drawn vertically

of one dimension

the speech spectrum was displayed spectrographically

a line that indicates a boundary

a line named a ridgeline

a spectrum, produced by a luminous gas or vapour, in which distinct lines characteristic of an element are emitted by its atoms, called a line spectrum

draw a line around

a dark line in the absorption spectrum of a gas or vapor, called an absorption line

separate (light) into spectral rays

a line of rivets at a seam

a curved line

an unbroken line

a vertical line

dots that have been arranged to form a line of dots

the aerial telephone or communication wires

a spectroscope by which spectra can be photographed