a person skilled in using an abacus.
toward the back. Nautical. so that the wind presses against the forward side of the sail or sails. (of a sail) positioned so that the wind presses against the forward side. (of a yard) positioned so that its sail is laid aback. taken aback, surprised and disconcerted: I was taken aback by his harsh criticism. […]
two islands (Great Abaco and Little Abaco) in the N Bahamas. 776 sq. mi. (2010 sq. km). Historical Examples Within forty-eight hours I’ll have every vessel that can float off Abaco Island. Astounding Stories of Super-Science, October, 1930 Various If death had struck Abaco Island, it had been the work of man, not Nature. Astounding […]
not caused by or free from the presence of bacteria.
adjective (zoology) (of organisms showing radial symmetry) situated away from or opposite to the mouth; aboral Historical Examples The plane of the actinal surface at first meets that of the abactinal at an acute or nearly right angle. The Works of Francis Maitland Balfour, Volume II (of 4) Francis Maitland Balfour These two series also […]