different between freshwater vs swordtail

English

fresh +? water.

freshwater (not comparable)

Living in fresh water.
The trout is a freshwater fish.
Consisting of fresh water.
Lake Baikal is the world's largest freshwater lake in terms of volume.
(nautical) Unskilled as a seaman.
a freshwater sailor
(economics) neoclassical, in reference to U.S. macroeconomics and economics departments near the Great Lakes.
- 2012, John Quiggin, Zombie Economics: How Dead Ideas Still Walk Among Us, Princeton University Press (expanded paperback ed., 1st ed. from 2010), ?ISBN, page 86.
Synonym: sweetwater

freshwater (countable and uncountable, plural freshwaters)

(countable) A body of fresh water
- 1953, Publications of the Institute of Marine Science (volumes 3-4, page 100)
  Fossils with low Sr/Ca ratios indicating origin in a freshwater of a type which has a low Sr/Ca ratio: […]
- 2015, Sophie Lake, Durwyn Liley, Robert Still, Britain's Habitats
  Freshwaters are portrayed in many artforms, including books such as Kenneth Grahame's childrens' story Wind in the Willows.
Alternative spelling of fresh water
- 1978, Roger M. Waller, John T. Turk, and Robert J. Dingman, "Potential effects of deep-well waste disposal in western New York", Geological Survey Professional Paper, page 21:
  Schematic diagram of the viscosity effect during the injection of freshwater.
- 2011, Guy Levy, P. Fine, and A. Bar-Tal, Treated Wastewater in Agriculture, [3]:
  Actual field data of Cl distribution in soil after irrigation with TWW and freshwater were obtained in a field experiment in Israel (Feigin et al., 2005; Fine et al. 2007).

Wikispecies

sword +? tail

swordtail (plural swordtails)

One of many species of freshwater fish, in genus Xiphophorus, others of which are called platyfish.
Any of various papilionid butterflies that have a long sword-like projection from the tornal section of each hindwing.

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