(mathematical analysis) The symbol ∇ used to denote the gradient operator. / (mathematics) the symbol ∂, in the context of a partial differential

(obsolete) a part, portion

Abbreviation of delegate. / Abbreviation of delegation.

Abbreviation of delete.

abbreviation of delineavit as seen on published artwork, identifying the original artist. Commonly seen in books and articles on topics in natural history

(Britain) A diminutive of the male given name Derek.

Abbreviation of Delaware.

Abbreviation of Delete (“key of a computer keyboard that deletes text, files, etc.”).

(law) Abbreviation of delegate.

Abbreviation of deletion. / Abbreviation of delirium.