(cooking) A dish whose essential ingredients are combined in a single pot for cooking.

Used other than figuratively or idiomatically: see on, plate. / (of one or more matters of concern) To be dealt with or handled.

At one’s convenience.

Alternative form of at one stroke

(literally) With a single blow, effort, or act. / (figuratively, by extension) At once, immediately; in an instant.

(mathematics, logic, of a relationship between two sets) having the property that many elements of one set may be assigned by the relationship to one element in the other set, and that a given element in the first set can be assigned by only one member of the second set.

(mathematics, of a function) Having the property that the same argument may yield multiple values, but different arguments never yield the same value.

That one has chosen, or wishes to choose.

One-upmanship among women.

The ideology that all of the countries of the world are essentially similar and could interoperate without conflict.