plural of derogatory clause

plural of dermal bone

plural of derivative instrument

(algebra) With respect to a Boolean variable x_i: The XOR-sum of the positive and negative Shannon cofactors of the given derived function with respect to x_i. In symbols: ∂f/∂x_i(⃑x)=f_x_i(⃑x)⊕f_̄x_i(⃑x).

Shortening of Derby Kelly.

(Cockney rhyming slang) belly

(calculus, mathematical analysis) Given a real or complex function f, the ratio of the value of the derivative to the value of the function, (f')/f, regarded as a function.

(calculus) A differential operator which acts on a differential k-form to yield a differential (k+1)-form, unless the k-form is a pseudoscalar, in which case it yields 0.

(colloquial, derogatory) Irrational negative reactions to the actions and policies of US President Donald Trump.

(informal) A form of phytophotodermatitis resulting from rubbing limes or other citrus fruits against the skin.