The conscious control of one's behaviour; self-command.

A solid product (normally of plastic, rubber, or elastomer) in which pigments or additives are optimally dispersed at high concentration in a carrier material. The carrier material is compatible with the main plastic in which it will be blended during molding, whereby the final plastic product obtains the color or properties from the masterbatch.

An action which demonstrates great skill or artistry.

(archaic) second-person singular simple present form of master

(now rare) Dominion; rule, supremacy.

The state or office of a master. / Mastery: dominion, superiority, control. / Mastery: superior skill. / (obsolete) Chief work; masterpiece. / A title of respect, sometimes ironic.

Alternative spelling of master class

plural of masterclass

plural of mastery

(archaic) Third-person singular simple present indicative form of master