D defs.my
Entry 1 sense Webster, 1913

Metrology

· Me·trol·o·gy · IPA /mɛˈtɹɑ.lə.d͡ʒi/
01 n. The science of, or a system of, weights and measures; also, a treatise on the subject.
  1. 1.
    The science of, or a system of, weights and measures; also, a treatise on the subject.