del

1. (in names of Spanish derivation) a contraction of de and the article el: Estanislao del Campo.
2. (in names of Italian derivation) a contraction of di and the article il: Giovanni del Monte.

noun Mathematics.

1. a differential operator. Symbol: ∇

1. delegate; delegation.
2. delete; deletion.
3. delineavit.

1. Delaware.

noun

1. maths the differential operator i (∂/∂ x) + j (∂/∂ y) + k (∂/∂ z), where i, j, and k are unit vectors in the x, y, and z directionsSymbol: ∇ Also called: nabla

abbreviation for

1. delegate

abbreviation for

1. Delaware