"Ah, yes, now I understand why you didn't come to the meeting."2. ha, used as an exclamation of victory, confusion, surprise, discovery, or annoyance; or to express satisfaction that something bad has happened to a person who deserved it, or to indicate a feeling of victory.
Used to measure battery capacity.
The term, abhenry, was named for Joseph Henry (1797-1878), a U.S. scientist who discovered the electromagnetic phenomenon of self-inductance, and who also discovered mutual inductance, independently of Michael Faraday. His work on the electromagnetic relay was the basis of the electrical telegraph.