Zip Code 94401 - San Mateo, CA. 94401 is located in the state of California in the San Francisco-Oakland-San Jose metro area.
Definition of participial. : of, relating to, or formed with or from a participle.
Points to remember. 1  A participle is a verbal ending in -ing (present) or -ed, -en, -d, -t, -n, or -ne (past) that functions as an adjective, modifying a noun or pronoun.  A participial phrase consists of a participle plus modifier(s), object(s), and/or complement(s).