meanwhile

(UK) The British national weather service.

rare earth element

(chemistry, obsolete) Any of the four metals aluminum, gallium, indium and thallium of the boron group in the periodic table of elements.

An abrasive, distorted subgenre of heavy metal music influenced by hardcore punk and doom metal.

(mathematics) A measure on the σ-algebra of Borel sets of a Hausdorff space that is locally finite and inner regular.

(mathematics, numerical analysis) One of the Runge-Kutta methods for solving ordinary differential equations.

(mathematics, numerical analysis) Any of an important family of implicit and explicit iterative methods for the approximation of solutions of ordinary differential equations.

(mathematics, numerical analysis) A method for solving ordinary differential equations, using six function evaluations to calculate fourth- and fifth-order accurate solutions, the difference between which is then taken to be the error of the (fourth-order) solution.

A kitchen utensil used primarily to measure the volume of liquid or bulk solid cooking ingredients.