geometric : Idioms & Phrases


Geometric lathe

  • an instrument for engraving bank notes, etc., with complicated patterns of interlacing lines; called also cycloidal engine.
Webster 1913

geometric mean

  • noun the mean of n numbers expressed as the n-th root of their product
WordNet

geometric pace

  • noun a modern version of the Roman pace now taken to be 5 feet
WordNet

Geometric pen

  • an instrument for drawing geometric curves, in which the movements of a pen or pencil attached to a revolving arm of ajustable length may be indefinitely varied by changing the toothed wheels which give motion to the arm.
Webster 1913

geometric progression

  • noun (mathematics) a progression in which each term is multiplied by a constant in order to obtain the next term
    • 1-4-16-64-256- is the start of a geometric progression
WordNet

geometric series

  • noun a geometric progression written as a sum
WordNet

Geometric spider

  • (Zoöl.), one of many species of spiders, which spin a geometrical web. They mostly belong to Epeira and allied genera, as the garden spider. See Garden spider.
Webster 1913

Geometric square

  • a portable instrument in the form of a square frame for ascertaining distances and heights by measuring angles.
Webster 1913

Geometrical curve

  • . Same as Algebraic curve; so called because their different points may be constructed by the operations of elementary geometry.
Webster 1913

Geometrical pace

  • a measure of five feet.
Webster 1913

Geometrical plane

  • (Persp.), the same as Ground plane .
Webster 1913

Geometrical progression, proportion, ratio

  • . See under Progression, Proportion and Ratio.
Webster 1913

Geometrical radius

  • in gearing, the radius of the pitch circle of a cogwheel. Knight.
Webster 1913

Geometrical staircase

  • one in which the stairs are supported by the wall at one end only.
Webster 1913

Geometrical tracery

  • in architecture and decoration, tracery arranged in geometrical figures.
Webster 1913