:10
:09
:08
:07
:06
:05
:04
:03
:02
:01
| voltage that reverses direction in regular cycles |
| electric current that reverses direction at regular intervals |
gain (gān)
n.
An increase in amount or degree.
Progress; advancement.
gain
In addition to the idiom beginning with gain, also see ill-gotten gains; no pain, no gain; nothing ventured, nothing gained.