| 单词 | bottom water |
| 释义 | > as lemmasbottom water bottom water n. the water which forms the lowest part of a body of water, esp. when distinct in temperature, density, etc., from the water above it (also in plural). ΘΚΠ the world > the earth > water > body of water > [noun] > water at bottom bottom water?1698 ?1698 R. Colepepyr Proposal to prevent Decay Harbours 2 The ends of a Barr may be so raised by stopping of bottom Water. 1729 M. Browne Piscatory Eclogues 126 Fish, in cold Weather, always keep the Bottom Water. 1878 T. H. Huxley Physiography (ed. 2) 152 The surface freezes while the bottom-water remains several degrees warmer. 1931 R. N. Chapman Animal Ecol. xvi. 305 The eutrophic type of lake is characterized by the paucity or absence of oxygen in the bottom waters. 2011 Biol. Bull. 221 309/1 Bottom water temperatures vary between 4.8 and 7.5 °C. < as lemmas |
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