(mathematics) A formal system in which index notation is used to define tensors and tensor fields and the rules for their manipulation; the theory of tensor calculus as developed by Gregorio Ricci-Curbastro, which formed the foundation of the modern theory.

Oryzomys palustris, a semiaquatic North American rodent in the family Cricetidae, mostly found in wetland habitats.

plural of marsh rice rat

Alternative form of rickrack

A rice hull.

plural of rice husk

plural of rice hull

The hard protecting covering of a grain of rice.

(dated, hypercorrect) Alternative form of rickshaw

plural of rice milk