【化】 four-center polymerization
four
【医】 quadri-; Quat; quattuor; tetra-
centrality; centre; centricity; core; heart; hub; kernel
【医】 center; centra; centre; centro-; centrum; core
aggregation; converge; group; polymerization
【化】 polymerization
【医】 polymerism; polymerization; polymerize