| apparatus with suspended point mass, frictionless thread, constant length and periodic motion |
| vibratory motion in system in which restoring force is proportional to displacement from equilibrium |
elevator el·e·va·tor (ěl'ə-vā'tər)
n.
A surgical instrument used to elevate tissues or to raise a sunken part, such as a depressed fragment of bone.
A dental instrument used to remove teeth or parts of teeth that cannot be gripped with a forceps or to loosen teeth and roots before using forceps.