from The American Heritage® Dictionary of the English Language, 4th Edition

  • adj. Having two faces, fronts, or façades.
  • adj. Having two opposing surfaces that are alike.
  • adj. Archaeology Flaked in such a way as to produce a cutting edge that is sharp on both sides. Used of a stone tool.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • adj. Having two faces or opposing surfaces
  • adj. Having two sharp cutting edges

from the GNU version of the Collaborative International Dictionary of English

  • adj. Having the opposite surfaces alike.

from The Century Dictionary and Cyclopedia

  • Having the opposite surfaces alike.
  • In botany, having the opposite faces unlike: as, the bifacial arrangement of the parenchyma or green pulp upon the two faces of a leaf. Also dorsiventral.
  • Having two fronts or principal faces; specifically, having two human faces turned in opposite directions, as a medal or an image.
  • In geometry, having two distinguishable sides or faces.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • adj. having two faces or fronts


Sorry, no etymologies found.


  • The company says the cells are less than 50 microns, or less than two-thousandths of an inch, making them the thinnest in production, and bifacial, meaning they can capture sun energy from both faces. - News

  • The Mahaffy Cache consists of 83 stone implements ranging from salad plate-sized, elegantly crafted bifacial knives and a unique tool resembling a double-bitted ax to small blades and flint scraps.

    Archive 2009-03-01

  • Besides the ochre, some of the more spectacular finds at the cave over the past few years include the oldest known and dated bone tools in the world; the earliest known evidence for fishing in the world; and highly sophisticated bifacial spearheads or points made in fine-grained stone.

    ANC Daily News Briefing

  • Microdrills for boring out beads, and fragments of carefully knapped bifacial knives also turned up.

    Interactive Dig Hierakonpolis - Narmer's Temple Week 1

  • Discovery of a fluted bifacial point at the site of Uptar in northeastern Siberia may force archaeologists to reconsider the origins of the Clovis point, a hallmark of the New World Paleoindian tradition.

    Siberian Fluted Point

  • She classified other tools by their shape, producing a list of polyhedrons, discoids, spheroids, bifacial points, ovates, and outils écaillés scaled tools.

    Ancestral Passions

  • "Ranec's mother's people, the Aterians, make a spear point with bifacial retouch."

    The Mammoth Hunters

  • To make a bifacial tool (sharpened on two sides to hold an edge longer and able to penetrate flesh better) the knapper then can switch to the next tool in the kit, a soft hammer billet.

  • Also in SANYO's line-up is a product that has seeded architects and building owners across the U.S. with a little green inspiration - the HIT® Double, SANYO's bifacial offering.

    PRWeb - Daily News Feed

  • "SANYO's HIT Double glass-on-glass modules utilize the bifacial characteristics of HIT cells to generate up to 30% more energy from the panel's back-side, depending on mounting surface conditions," said Atlanta-based architect and SANYO customer Inman Solar co-founder

    PRWeb - Daily News Feed


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