You searched for: “clock”
Word Entries containing the term: “clock”
astronomical clock
A clock that, in addition to telling the time, was designed to show the positions of the sun, moon, and other celestial bodies.
This entry is located in the following unit: Science and Technology Words from the Ancient Past to the Present, Part 1 (page 1)
atomic clock (s) (noun), atomic clocks (pl)
Clocks that are regulated by natural resonance frequencies of particular atoms, and display a continuous count of seconds: The Physikalisch-Technische Bundesanstalt (PTB) in Braunschweig is where the the atomic clock in Germany is located.
This entry is located in the following unit: Measurements and Mathematics Terms (page 2)
biological clock (s) (noun), biological clocks (pl)
The internal time-measuring mechanism which helps adjust an organism's daily activities, seasonal activities, or both, in response to environmental cues: Such biological clocks in a person's body take place in response to age, habits, and the chemical changes that take place in an individual's body.
This entry is located in the following unit: Biology Terms + (page 2)