coupon

B2 · Upper Intermediate Countable noun

n. a part of a ticket that shows you have the right to a seat or a service.

n. a detachable part of a ticket or document that serves as proof of entitlement to a specific service, seat, or travel route.

“The travel agent gave us a coupon for a free dinner at the hotel.”

“The rail pass included several coupons for regional bus transfers, which had to be validated by the driver upon boarding.”

C1 · Advanced Countable noun Law Technical

n. the interest payment made on a bond.

n. the annual interest rate paid on a bond, expressed as a percentage of the face value.

“The bond pays a five percent coupon every six months.”

“Investors were attracted to the high-yield corporate bonds despite the risks, primarily due to the attractive semi-annual coupon payments.”

C2 · Proficiency Countable noun Science Technical

n. a small piece of material used for testing.

n. a small specimen of a material, such as metal, used for laboratory testing to determine the properties or corrosion rate of the bulk material.

“The engineer placed a steel coupon in the saltwater to test for rust.”

“Corrosion coupons were extracted from the pipeline after six months to evaluate the effectiveness of the new chemical inhibitors.”

B2 · Upper Intermediate Informal

v. to spend a lot of time looking for and using discount vouchers.

v. to engage in the systematic collection and redemption of coupons to maximize savings.

“She managed to save fifty dollars this week because she started couponing.”

“The rise of extreme couponing has led many retailers to tighten their policies regarding the stacking of multiple discounts.”