[awr-iz-mol-uh-jee, or-]


the science of defining the technical or special terms of a particular subject or field of study.

Origin of orismology

1810–20; < Greek horism(ós) definition, lit, marking of boundaries (derivative of horízein to delimit, make a boundary; see horizon) + -o- + -logy, with erroneous omission of initial h-
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019