intr.v. pro·tu·ber·at·ed, pro·tu·ber·at·ing, pro·tu·ber·ates To swell or bulge. [Late Latin prōtūberāre, prōtūberāt- : Latin prō-, forth; see PRO-1 + Latin tūber, a swelling; see teuə- in the Appendix of Indo-European roots.] pro·tu′ber·ation n. |
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