The symbol ∇ regularly denote the gradient operator.
a component, portion
Share; part; part.
a differential operator which, running on a function of a few variables, gives the sum of the limited derivatives for the function with regards to the three orthogonal spatial coordinates; -- also known as the gradient or grad. It's represented by an inverted Greek capital delta (∇), and it is thus because of its shape also called nabla, meaning harp in Hebrew.
A Middle English kind of package.
identical to angiliwood.
An abbreviation associated with the Latin delineavit, (he) drew it, placed after an artist's name on a photo.