A metal strip, typically in a doorway, separating different carpets or floor surfaces.

(of a verb in an Algonquian language) Belonging to the class of transitive verbs that take animate direct objects.

plural of mass transit

(demography) The process that represents the transition from high birth and death rates to low birth and death rates as a country develops from a pre-industrial to an industrialized economic system.

(databases) An attribute of a relation that depends on a key but also on a third attribute which is not a key; this is a violation of third normal form.

plural of transition zone

(set theory) Any set X such that for any x ∈ X, if y ∈ x then y ∈ X; equivalently, such that if x ∈ X and x is not an urelement then x ⊆ X.

plural of transitive set

plural of transitive closure

(set theory, order theory, of a binary relation R on a set X) The smallest binary relation on X that includes R and is transitive. / (set theory, of a set X) The smallest transitive set that contains X.