del

noun6

1. •
   The symbol ∇ used to denote the gradient operator.
2. •
   Abbreviation of Delete (“key of a computer keyboard that deletes text, files, etc.”).
3. •
   Abbreviation of delegate.
4. •
   the symbol ∂, in the context of a partial differential
5. •
   Abbreviation of delegation.
6. •
   (no longer used) a part, portion

verb1

1. •
   Abbreviation of delete.

noun2

1. •
   Abbreviation of deletion.
2. •
   Abbreviation of delirium.

noun2

1. •
   Abbreviation of delegate.
2. •
   Abbreviation of Delaware: a state of the United States, as used in case citations.