bifacialadj.

Etymology: bi- comb. form.Previous versions of the OED give the stress as: biˈfacial.

Having two faces; spec. Botany, having distinct dorsal and ventral surfaces; Archaeology, of a flint: worked on both sides.

ΘΚΠ

the world > relative properties > number > specific numbers > two > duality > [adjective] > having two faces or aspects

double-faced1589

bifront1598

bifronted1598

two-faced1659

bipolar1810

bifrontal1876

bifacial1884

double-sided1907

1884 F. O. Bower & D. H. Scott tr. H. A. de Bary Compar. Anat. Phanerogams & Ferns 48 Firm, leathery..bifacial leaves.

1952 V. G. Childe New Light on Most Anc. East ii. 19 Bifacial trimming in which the primary flake is thinned and shaped by the removal of fine secondary flakes from both sides or faces and along both edges.

1953 J. Procházka tr. B. Hrozný Anc. Hist. W. Asia, India & Crete iv. 12 The so-called flint flakes and more massive bifacial tools (‘bifaces’) have been uncovered in the early palaeolithic strata.

Derivatives

biˈfacially adv.

ΚΠ

1957 V. G. Childe Dawn European Civilization (ed. 6) vii. 111 The Bükkians made from the volcanic glass knives and scrapers, but no bifacially worked arrow-heads.

This entry has not yet been fully updated (first published 1972; most recently modified version published online June 2019).

单词	bifacial
释义	bifacialadj. Etymology: bi- comb. form.Previous versions of the OED give the stress as: biˈfacial. Having two faces; spec. Botany, having distinct dorsal and ventral surfaces; Archaeology, of a flint: worked on both sides. ΘΚΠ the world > relative properties > number > specific numbers > two > duality > [adjective] > having two faces or aspects double-faced1589 bifront1598 bifronted1598 two-faced1659 bipolar1810 bifrontal1876 bifacial1884 double-sided1907 1884 F. O. Bower & D. H. Scott tr. H. A. de Bary Compar. Anat. Phanerogams & Ferns 48 Firm, leathery..bifacial leaves. 1952 V. G. Childe New Light on Most Anc. East ii. 19 Bifacial trimming in which the primary flake is thinned and shaped by the removal of fine secondary flakes from both sides or faces and along both edges. 1953 J. Procházka tr. B. Hrozný Anc. Hist. W. Asia, India & Crete iv. 12 The so-called flint flakes and more massive bifacial tools (‘bifaces’) have been uncovered in the early palaeolithic strata. Derivatives biˈfacially adv. ΚΠ 1957 V. G. Childe Dawn European Civilization (ed. 6) vii. 111 The Bükkians made from the volcanic glass knives and scrapers, but no bifacially worked arrow-heads. This entry has not yet been fully updated (first published 1972; most recently modified version published online June 2019). < adj.1884
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