plural of demographic transition

plural of glass transition

(graph theory, of a graph) Such that there exists a finite vertex set so that for any vertex there exists another vertex in that finite set and an injective homomorphism of the graph that maps the second vertex to the first vertex.

(graph theory, of a graph) Such that its vertex set can be partitioned into finitely many sets, so that there exists an automorphism mapping a vertex to another vertex if and only if the two vertices belong to the same set in that partition.

plural of phase transition

(transport) A form of rapid transit using buses, which have dedicated rights-of-way or laneways, purpose-built bus stations, and dedicated traffic signalling.

(physics) The temperature below which an amorphous material is a glassy solid and above which it is a viscous liquid

plural of post-transition metal

(chemistry) A poor metal, usually including gallium, indium, tin, thallium, lead, and bismuth, also known as B-subgroup metals, other metals, and p-block metals.

plural of glass transition temperature