0%

Words related to perpendicularity

per·pen·dic·u·lar
P p

  • plumb line

    a cord with a lead bob attached to one end, used to determine perpendicularity, the depth of water, etc. Compare plumb (def 1).

  • plumb rule

    a device for determining perpendicularity, consisting of a narrow board with a plumb line and bob suspended from an upper edge.

  • plummet

    Also called plumb bob. a piece of lead or some other weight attached to a line, used for determining perpendicularity, for sounding, etc.; the bob of a plumb line.
All about water Download all about WATER in pdf