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isostere

American  
[ahy-suh-steer] / ˈaɪ səˌstɪər /

noun

  1. Chemistry. a compound isosteric with one or more other compounds.

  2. Meteorology. a line on a map or chart connecting points of equal atmospheric density.


Etymology

Origin of isostere

1895–1900; iso- + -stere < Greek stereós solid, hard