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DTD

1 American  

abbreviation

  1. document type definition: a description of the different types of elements and markup tags allowable in a particular SGML, XML, or HTML document and where they can occur within the document.

d.t.d. 2 American  

abbreviation

  1. (in prescriptions) give such doses.

Etymology

Origin of DTD1

First recorded in 1980–85

Origin of d.t.d.2

From Latin dentur tālēs dosēs

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.