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- Dictionaryprecis/ˈpreɪsi/
noun
- 1. a summary or abstract of a text or speech.
verb
- 1. make a precis of (a text or speech).
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Jul 13, 2024 · An atomic clock is based on a system of atoms which may be in one of two possible energy states. A group of atoms in one state is prepared, then subjected to microwaveradiation. If the radiation is of the correct frequency, a number of atoms will transition to the other energy state.
Jul 13, 2024 · Book. For other uses, see Book (disambiguation). A book is a medium for recording information in the form of writing or images. Books are typically composed of many pages, bound together and protected by a cover. [1] Modern bound books were preceded by many other written mediums, such as the codex and the scroll.