fall overturn


fall overturn
mixing of waters in a lake caused by cooling of surface waters, convection currents and wind action. Presumably an American phenomenon (see also autumn overturn). Also called fall turnover

Dictionary of ichthyology. 2009.

Look at other dictionaries:

  • fall turnover — fall overturn …   Dictionary of ichthyology

  • overturn — overturn, upset, capsize, overthrow, subvert are comparable because they carry a common basic meaning to cause to fall, or, intransitively, to fall, from the normal or proper position. Otherwise they vary widely in their applications and… …   New Dictionary of Synonyms

  • fall — Synonyms and related words: Niagara, Scotch mist, Waterloo, abate, abatement, ablate, accept, apostasy, ascend, assail, assault, associate with, attack, autumn, backslide, backsliding, bag, bank, bate, be destroyed, be eaten away, be found, be… …   Moby Thesaurus

  • overturn — I. Date: 13th century transitive verb 1. to cause to turn over ; upset < overturned the vase > 2. a. invalidate, destroy b. reverse 2a < overturn a court ruling > …   New Collegiate Dictionary

  • overturn — v. & n. v. 1 tr. cause to fall down or over; upset. 2 tr. reverse; subvert; abolish; invalidate. 3 intr. fall down; fall over. n. a subversion, an act of upsetting …   Useful english dictionary

  • overturn — Synonyms and related words: Waterloo, answer, answer conclusively, argue down, be lost, beating, bloodless revolution, bouleversement, breakdown, breakup, bring down, capsizal, capsize, careen, cataclysm, catastrophe, clean slate, clean sweep,… …   Moby Thesaurus

  • overturn — o•ver•turn v. [[t]ˌoʊ vərˈtɜrn[/t]] n. [[t]ˈoʊ vərˌtɜrn[/t]] v. t. 1) to cause to turn over on the side, face, or back 2) to destroy the power of; overthrow 3) to turn over; capsize 4) the act of overturning 5) the state of being overturned 6)… …   From formal English to slang

  • autumn turnover — the mixing of the entire lake water mass in the autumn (or fall; presumably this is an English phenomenon see also fall overturn or turnover) …   Dictionary of ichthyology

  • meromictic — |merə|miktik adjective Etymology: International Scientific Vocabulary mer (III) + mict (from Greek miktos mixed, verbal of mignynai to mix) + ic more at mix of a lake : undergoing incomplete circulation at the fa …   Useful english dictionary

  • Revolutions of 1989 — Fall of Communism redirects here. For the fall of the Soviet Union, see Dissolution of the Soviet Union. Revolutions of 1989 Top left: Round Table in Warsaw. Top right: Fall of the Berlin Wall. Middle left: Romanian Revolution. Middle right:… …   Wikipedia


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