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First principles; fundamental beginnings; elements; as. Newton's Principia.

Elementary. [Obs.] Bacon.

Relating to principles or beginnings. [R.] Jer. Taylor.

To begin; to initiate. [Obs.] Sir M. Hale.

Analysis into primary or elemental parts. [Archaic] Bacon.

Spenser. Flint age. (Geol.) Same as Stone age, under Stone. -- Flint brick, a fire made principially of powdered silex. -- Flint glass. See in the Vocabulary. -- Flint implements (Archæol.), tools, etc., employed by men before the use of metals, such as axes, arrows, spears, knives, wedges, etc., which were commonl…

d with a broker to secure him from loss on contracts entered into by him on behalf of his principial, as in the speculative buying and selling of stocks, wheat, etc. N. Biddle. Margin draft (Masonry), a smooth cut margin on the face of hammer-dressed ashlar, adjacent to the joints. -- Margin of a course (Arch.), that…

of Sir Isaac Newton; -- applied to the doctrine of the universe as expounded in Newton's "Principia," to the modern or experimental philosophy (as opposed to the theories of Descartes and others), and, most frequently, to the mathematical theory of universal gravitation. -- Newtonian telescope (Astron.), a reflecting…