Word Study
bifacial
CIDE DICTIONARY
bifacial, a. [Pref. bi- + facial.].
Having the opposite surfaces alike. [1913 Webster]
ROGET THESAURUS
bifacial
Duplication
N duplication, doubling, gemination, ingemination, reduplication, iteration, renewal, double, doubled, bicipital, bicephalous, bidental, bilabiate, bivalve, bivalvular, bifold, biform, bilateral, bifarious, bifacial, twofold, two-sided, disomatous, duplex, double-faced, double-headed, twin, duplicate, ingeminate, second, twice, once more, over again, as much again, twofold, secondly, in the second place, again.For further exploring for "bifacial" in Webster Dictionary Online