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definitions

dec.

1

(in prescriptions) pour off.

Origin of dec.

1
From the Latin word dēcantā

dec.

2

deceased.
decimeter.
declension.
decrease.
Music. decrescendo.

Dec.

December.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
British Dictionary definitions for dec.

dec.

abbreviation for

deceased
music decrescendo
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012