any marine red alga, especially one of the genus Polysiphonia, having a reddish, much branched thallus.
another term for red algae
noun 1. an Old World sandpiper, Tringa totanus, having red legs and feet. noun 1. either of two large common European sandpipers, Tringa totanus or T. erythropus (spotted redshank), having red legs
noun 1. herb Robert.
noun, Astronomy. 1. a shift toward longer wavelengths of the spectral lines emitted by a celestial object that is caused by the object moving away from the earth. noun 1. a shift in the lines of the spectrum of an astronomical object towards a longer wavelength (the red end of an optical spectrum), relative to […]
adjective 1. (of radiation) having undergone a redshift.