Extended Strong's Greek Lexicon (Abbott-Smith based)
uncircumcision
Usage: ἀκροβυστία, -ας, ή (perh. an Alexandrian form of cl. ἀκροποσθία; cf. MM, VGT, see word) [in LXX for עׇרְלָה ;] the prepuce, foreskin (LXX), hence abstr., uncircumcision: Act.11:3, Rom.2:25-27 3:30 4:10-12, 1Co.7:18-19, Gal.5:6 6:15, Col.2:13 3:11 By meton., the uncircumcised: Rom.4:9, Gal.2:7, Eph.2:11.† (AS)