(Science: radiobiology) The length of a single cycle of a wave, usually measured from crest-to-crest. For electromagnetic waves, the wavelength determines the type (radio, infrared, visible, ultraviolet, x-Ray, gamma-ray) of radiation, in the case of visible light, wavelength determines the colour of the light.
Synonyms for Lax: chaotic (adjective) amorphous, anarchical, anarchistic, blurry, chaotic, cluttered, confused, deformed,
frugal | synonyms: austere, cheap, cheeseparing, economical, moderate, parsimonious, prudent, self-denying, sparing, stingy, thrifty, abstemious, ascetic, closefisted, hard-fisted, meager, mean, miserly, narrow-fisted, penny-pinching, petty, spartan, tight, abnegating, abstinent, conservative, restrained, self-depriving, sober, sober-minded, temperate, analyze, apprehend, appropriately, ascertain, ask, at-ease, audit, bare, becomingly, budget, cannily, canny, careful, carefully, catch ...