abwatt
- n a power unit equal to the power dissipated when 1 abampere flows across a potential difference of 1 abvolt (one ten-thousandth of a milliwatt)
abydos
- n an ancient Greek colony on the Asiatic side of the Dardanelles; scene of the legend of Hero and Leander
abyla
- n a promontory in northern Morocco opposite the Rock of Gibraltar; one of the Pillars of Hercules
abysm
- n a bottomless gulf or pit; any unfathomable (or apparently unfathomable) cavity or chasm or void extending below (often used figuratively)
abyss
- n a bottomless gulf or pit; any unfathomable (or apparently unfathomable) cavity or chasm or void extending below (often used figuratively)
- v make amends for