- bipolar cautery,
- bipolar cell
Origin of biplane
Examples from the Web for biplane
Doyle makes routine flights over the 1,700-acre compound in his biplane.
It was early in the morning when the German biplane appeared over the American airdromes moving slowly.
"Perhaps, but there is no use of straining the biplane, or the engine either," returned Dick.
On December 17, 1903, the first Wright biplane was ready to navigate the air and made four brief successful flights.The Age of Invention|Holland Thompson
airplane with two full wings, one above the other, 1874, as a theoretical notion; first attested 1908 in reference to the real thing; from bi- + plane (n.1). So called from the two "planes" of the double wings.