The official nickname for the state of Wyoming in the United States of America.

(quantum mechanics) In nonrelativistic quantum mechanics, a partial differential equation that describes how the quantum state of some physical system changes with time.

Used other than figuratively or idiomatically: see equal, marriage. / Marriage equality; the acceptance of same-sex as well as heterosexual marriages.

(chemistry) An equation describing the derivation of pH as a measure of acidity (using pKa, the negative log of the acid dissociation constant) in biological and chemical systems.

The temperature a parcel of air at a specific temperature would have if raised from a specific pressure level to zero millibars, had all moisture condensed from it, and then lowered to 1000 millibars.

(chemistry) A measure of the relative concentrations of the reactants and products of a reversible reaction at equilibrium

plural of banana equivalent dose

(law) A legal doctrine under which the failure of one party to meet a deadline may be excused because they were prevented from so doing by circumstances outside their control.

(law) Abbreviation of equality.

(law) Abbreviation of equipment.