bifacial

American  

[bahy-fey-shuhl] / baɪˈfeɪ ʃəl /

adjective

1. having two faces or fronts.

2. Archaeology. having the opposite surfaces alike, as some tools.

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bifacial British  

/ baɪˈfeɪʃəl /

adjective

1. having two faces or surfaces

2. botany (of leaves, etc) having upper and lower surfaces differing from each other

3. archaeol (of flints) flaked by percussion from two sides along the chopping edge

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bifacial Scientific  

/ bī-fā′shəl /

1. Flaked in such a way as to produce a cutting edge that is sharp on both sides. Used of a stone tool.

2. ◆ Bifacial tools are known as a bifaces and include such early core tools as hand axes and cleavers as well as later flake tools such as blades and spear or arrow points.

3. Compare unifacial

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Other Word Forms

• bifacially adverb

Etymology

Origin of bifacial

First recorded in 1880–85; bi- ¹ + facial

Example Sentences

“The bifacial exclusion will help us greenlight projects and deploy more solar capacity across the country.”

From New York Times

The four-year extension of the tariff exempts bifacial panels which can generate electricity on both sides and are favored by large scale developers, according to a senior administration official.

From Reuters

“This exemption will accelerate the adoption of bifacial technology in the United States, which is still in a relatively early stage.”

From Reuters

These new panels will also be “bifacial,” meaning they will be able to gather light not only directly from the sun but also from stray beams that bounce off the ground.

From New York Times

“There’s no way that bifacial knife was not made by people.”

From National Geographic