(imperative) Remain in communication with me.

(medicine) Initialism of abdominal aortic aneurysm. / (medicine) Initialism of acquired aplastic anemia. / (medicine) Initialism of acute anxiety attack. / (medicine) Initialism of amalgam.

worthless

Worthless.

plural of rent-a-crowd

(simile) To be frantic, harried or restless

(biochemistry) A lactone antibiotic produced by fungal organisms such as Eupenicillium brefeldianum, inhibiting transport of proteins from ER to Golgi and inducing retrograde protein transport from the Golgi apparatus to the endoplasmic reticulum.

plural of muck-a-muck

Alternative form of muckamuck

(transitive, idiomatic) To attempt to achieve or acquire. / (transitive, idiomatic) To attack or challenge or to try to attack or challenge.