An electrolarynx.

A kind of early piggy bank with a decorative mechanical action.

(US, military, slang) A medic.

In terms of or by means of quantum mechanics.

(psychology) A psychological strategy used unconsciously by people to cope with harmful or stressful situations. / (evolutionary biology) An automatic reaction of the body against foreign antibodies.

plural of reaction mechanism

plural of defense mechanism

(physics) The proposed interaction between elementary particles and the Higgs field that imbues the particles with mass and breaks the electroweak symmetry.

(gambling) A cheat who manipulates the dice.

A cardsharp.