(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,
2. A preparation made from the dried rhizomes and roots of any of several plants of the genus Rheum, especially R. palmatum or R. officinale of East Asia, used as a laxative. 3. Informal A quarrel, fight, or heated discussion. preparation made from the dried rhizomes and roots of any of several plants of the genus Rheum, especially R. palmatum or R. officinale of East Asia, used as a laxative. 3. Informal A quarrel, fight, or heated discussion.