to reduce an amount to nothing
金額をゼロに減らす (kingaku wo zero ni herasu)
"We zero out the balance every month to avoid interest."
"私たちは毎月利息を避けるために残高をゼロアウトします。" (watashitachi wa maitsuki risoku wo sakeru tame ni zandaka wo zero out shimasu.)
to gain knowledge or understanding through experience or obs...
to suddenly feel or show great happiness
to eat small amounts of food between meals
to finally succeed after difficulties or opposition
to reinvest profits into the same business
to end official relations between countries