Term: caesium clock: an atomic clock based on the energy difference between two states of the caesium nucleus in a magnetic field
Broader: atomic clock: a timepiece that derives its time scale from the vibration of atoms or molecules | Unrelated: stone bramble: European trailing bramble with red berrylike fruits
Broader: atomic clock: a timepiece that derives its time scale from the vibration of atoms or molecules | Unrelated: pantechnicon: a large moving van (especially one used for moving furniture)
Broader: atomic clock: a timepiece that derives its time scale from the vibration of atoms or molecules | Unrelated: defense advanced research projects agency: the central research and development organization for the United States Department of Defense; responsible for developing new surveillance technologies since 9/11
Broader: atomic clock: a timepiece that derives its time scale from the vibration of atoms or molecules | Unrelated: crab legs: legs of especially Alaska king crabs
Broader: atomic clock: a timepiece that derives its time scale from the vibration of atoms or molecules | Unrelated: straight man: a performer who acts as stooge to a comedian
Broader: atomic clock: a timepiece that derives its time scale from the vibration of atoms or molecules | Unrelated: running mate: a nominee for the lesser of two closely related political offices
Broader: atomic clock: a timepiece that derives its time scale from the vibration of atoms or molecules | Unrelated: chocolate milk: milk flavored with chocolate syrup
Broader: atomic clock: a timepiece that derives its time scale from the vibration of atoms or molecules | Unrelated: vapor pressure: the pressure exerted by a vapor; often understood to mean saturated vapor pressure (the vapor pressure of a vapor in contact with its liquid form)
Broader: atomic clock: a timepiece that derives its time scale from the vibration of atoms or molecules | Unrelated: ballad: a narrative song with a recurrent refrain
Broader: atomic clock: a timepiece that derives its time scale from the vibration of atoms or molecules | Unrelated: fritillary: any liliaceous plant of the genus Fritillaria having nodding variously colored flowers