one-time payment; lump-sum payment
Refers to paying the full amount at once, as opposed to installment payments. Often used in contexts like shopping, tuition, or taxes.
See also: 一括払い
This item is available only with a one-time payment.
授業料を一回払いで支払った。
I paid the tuition in a lump sum.
I bought a new computer with a one-time payment.
I set the credit card payment to a lump-sum payment.
At the register, I chose to pay in one lump sum.