Euclid's axiom

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Noun

1.

Euclid's axiom - (mathematics) any of five axioms that are generally recognized as the basis for Euclidean geometry Euclid's postulate, Euclidean axiom math, mathematics, maths - a science (or group of related sciences) dealing with the logic of quantity and shape and arrangement Euclid's first axiom - a straight line can be drawn between any two points Euclid's second axiom - any terminated straight line can be projected indefinitely Euclid's third axiom - a circle with any radius can be drawn around any point Euclid's fourth axiom - all right angles are equal Euclid's fifth axiom, parallel axiom - only one line can be drawn through a point parallel to another line axiom - (logic) a proposition that is not susceptible of proof or disproof; its truth is assumed to be self-evident