Term: atomic clock: a timepiece that derives its time scale from the vibration of atoms or molecules
Broader: timepiece: a measuring instrument or device for keeping time | Unrelated: pneumatics: the branch of mechanics that deals with the mechanical properties of gases
Broader: timepiece: a measuring instrument or device for keeping time | Unrelated: arch: a curved bony structure supporting or enclosing organs (especially the inner sides of the feet)
Broader: timepiece: a measuring instrument or device for keeping time | Unrelated: wall clock: a clock mounted on a wall
Broader: timepiece: a measuring instrument or device for keeping time | Unrelated: mahuang: Chinese ephedra yielding ephedrine
Broader: timepiece: a measuring instrument or device for keeping time | Unrelated: porcelain: ceramic ware made of a more or less translucent ceramic
Broader: timepiece: a measuring instrument or device for keeping time | Unrelated: shop talk: talk about your business that only others in the same business can understand
Broader: timepiece: a measuring instrument or device for keeping time | Unrelated: slating: a severely critical attack
Broader: timepiece: a measuring instrument or device for keeping time | Unrelated: taskmaster: someone who imposes hard or continuous work
Broader: timepiece: a measuring instrument or device for keeping time | Unrelated: watchband: a band of cloth or leather or metal links attached to a wristwatch and wrapped around the wrist
Broader: timepiece: a measuring instrument or device for keeping time | Unrelated: drill: a tool with a sharp point and cutting edges for making holes in hard materials (usually rotating rapidly or by repeated blows)