(algebraic geometry) A morphism between algebraic varieties.

A calligraphic style of Chinese characters, in which strokes are organically but cleanly written. It is descended from the clerical script.

(mathematics) a tessellation of Euclidean space into congruent rectangles, parallelograms, cuboids, or more generally, parallelotopes

(rare, mathematics, of a set) Being the interior of its closure.

(rare, mathematics, of a set) Being the closure of its interior.

(computer science) A formal language that can be expressed using a regular expression or finite-state machine.

(graph theory) A graph whose vertices all have the same degree.

(algebra) An element of a ring that is not a zero divisor.

(tennis) Describing a tennis ball having a thinner felt woven more tightly around the ball's core, designed for softer court surfaces such as clay.

plural of regular Joe