(intransitive, of a boxer) To deflect the force of an opponent's punches by moving the body quickly. / (intransitive, figuratively, by extension) To cope with adversity by being flexible in attitude.

(informal, physics) entropic doom of a universe

(boxing) To participate in a boxing match for its maximum number of rounds. / (idiomatic, by extension) To have the endurance to see a difficult, sustained challenge to its natural end without faltering.

To cause the fire alarm to go off, by pulling the lever on the fire alarm pull station.

Now is an appropriate time to take a particular action.

(physics) The theory that all gross matter is composed of atoms. / (physics) Any of several theories that explain the structure of the atom, and of subatomic particles.

plural of nigger in the woodpile

(idiomatic) To bore (someone) with excessive talk.

A feudal title of the hereditary proprietor of a manor in manorialism; now largely ceremonial.

(physics) The theories of special relativity and general relativity, two theories in physics developed mainly by Albert Einstein at the beginning of the 20th century from which several important results such as the equivalence of matter and energy and the Einstein field equations are derived.