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abbreviatory

[uh-bree-vee-uh-tawr-ee, -tohr-ee]
adjective
  1. serving to abbreviate or shorten: “IA” is an abbreviatory form of “Iowa.”
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Origin of abbreviatory

First recorded in 1840–50; abbreviate + -ory1
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018