| A | B |
| chronicle | a description of events in the order they happened |
| chronological | arranged in the order that things happened or came to be; using time as a measurement |
| chronometer | a watch or clock that measures time precisely |
| synchronize | to cause things to agree in time or make things happen at the same time and speed |
| chronic | continuing or occuring again and again for a long time |
| aquarium | a glass or plastic container in which fish and plants can live |
| emporium | a large retail store |
| assessment | the act of making a judgement, the result of an evaluation |
| amendment | a change in the words or meaning of a law or document |
| planetarium | a building or room in which images of stars and planetsare shown on a curved ceiling |