D defs.my
Entry 1 sense Webster, 1913

Isobarism

· I·so·bar·ism · IPA
01 n. The quality or state of being equal in weight, especially in atmospheric pressure. Also, the theory, method, or application of isobaric science.
  1. 1.
    The quality or state of being equal in weight, especially in atmospheric pressure. Also, the theory, method, or application of isobaric science.