found: Glossary of geology, 1997(ice stream (a) A current of ice in an ice sheet or ice cap that flows more rapidly than the surrounding ice, usually flowing to the ocean or to an ice shelf and not constrained by exposed rock. Cf: outlet glacier. See also: glacier. (b) One component of an alpine glacier; e.g. an inset ice stream. (c) An obsolete syn. of outlet glacier and alpine glacier. (d) A term sometimes popularly applied to a glacier of any kind, esp. an alpine glacier. Syn: stream [glaciol]; valley glacier)
