In a steam engine, a rod pivoted at one end and connected at the other with a concentrically moving part at a fixed distance.

plural of radius bar

Synonym of radius bar / Synonym of radius arm

plural of radius rod

(military) maximum distance a ship, vehicle, etc. can travel away from its base without refueling

(physics, engineering) Given a body B, the distance from a given axis of rotation at which a point mass of the same mass as B would have the same moment of inertia about said axis.

(physics) Synonym of Debye length

plural of radius arm

(mechanical engineering) A radius rod.

for a power series ∑ₙ₌₀ ᪲c_n(z-a)ⁿ, the unique number R=[0,∞] such that the sum is convergent for |z-a|R