(inorganic chemistry, archaic) A mixture of three parts concentrated hydrochloric acid to one part concentrated nitric acid.

(neuroanatomy) Part of the hindbrain in vertebrates. In humans it lies between the brainstem and the back of the cerebrum and is formed of two lateral lobes and a median lobe. It plays an important...

plural of MORB

Initialism of multiport fuel injection. / Initialism of multipoint fuel injection. / Initialism of mechanical fuel injection.