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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