Infantry which is transported in mechanized vehicles but still fights on foot.

plural of auto mechanic

(US) A person skilled in repairing and maintaining automobiles and other motor vehicles.

Of or pertaining to quantum mechanics.

Alternative form of quantum mechanical

(biology) The breaking of food into digestible chunks, normally using the teeth.

(physics) The branch of physics which studies matter and energy at the level of atoms and other elementary particles, and substitutes probabilistic mechanisms in place of classical Newtonian ones.

The ratio of the output force produced by a machine (especially a simple machine) to the applied input force.

Referring to a period before the mechanization of farming or some other human activity.

(engineering) The subfield of engineering concerned with designing and building machines and mechanical systems.