单词 prognathism 释义 prognathism|prgnz()m|[f. as next + -ism (cf. synchronous, -chronism). So F. prognathisme.]The condition of being prognathous; prognathic state or condition.1864in Webster.1866Laing Preh. Rem. Caithn. 63 The degree of prognathism, as...