continuing or occurring again and again for a long time; happening or existing frequently or most of the time.

a watch or clock that measures time precisely.

a building or room in which images of stars, planets, etc. are shown on a high, curved ceiling.

arranged in the order that things happened or came to be; using time as a measurement.

a large retail store, especially one selling a great variety of articles.

a change in the words or meaning of a law or document (such as a constitution); a change made by correction, addition, or deletion.

a description of events in the order they happened.

the act of making a judgment about something; the result of an evaluation.

to cause things to agree in time or to make things happen at the same time and speed.

a glass or plastic container in which fish and other water animals and plants can live; a building people can visit to see water animals and plants.