A dry leavening agent used in baking; a mixture of baking soda, an acid (often cream of tartar) and starch to keep it dry; when wetted, carbon dioxide is released.

(set theory, of a set S) The set whose elements comprise all the subsets of S (including the empty set and S itself).

(idiomatic, US, colloquial) To leave without saying goodbye; leave quietly, run away; scram; depart without taking leave or notifying anyone, often with a connotation of avoiding something unpleasant or shirking responsibility.

A short sleep taken in the daytime in order to refresh a person and generally terminated before deep sleep begins so as not to leave the sleeper drowsy.

A conservative style of business dress that gives an impression of confidence and efficiency and was used especially by women in the 1970s and 1980s to succeed in a male-dominated business world.

A working lunch at which important discussions may be held, and important decisions made.

(US) Very finely ground sugar to which cornstarch is added to prevent lumping, mostly used in icings and confections to produce a smooth texture.

Having unlimited power; omnipotent.

Lacking sufficient power or strength. / Lacking legal authority.

Alternative spelling of candlepower