spectroheliographic — See spectroheliograph. * * * … Universalium
spectroheliographic — spec·tro·heliographic … English syllables
spectroheliographic — adjective see spectroheliograph … Useful english dictionary
spectroheliograph — spectroheliographic /spek troh hee lee euh graf ik/, adj. /spek troh hee lee euh graf , grahf /, n. an apparatus for making photographs of the sun with a monochromatic light to show the details of the sun s surface and surroundings as they would… … Universalium
spectroheliography — See spectroheliographic. * * * … Universalium
spectrum — n. (pl. ra) series of images, colours, etc., formed when ray of radiant energy is dispersed into its component parts. ♦ spectrobolograph, n. photogographic record of lines of infra red spectrum. ♦ spectrogram, n. representation of a… … Dictionary of difficult words