bond

B2 · Upper Intermediate Countable noun Law Technical

n. an official document that says a government or company owes you money and will pay it back with interest.

n. a debt instrument issued by a government or corporation to raise capital, promising repayment of principal and interest.

日本語:債券※

“Many people invest in government bonds because they are considered very safe.”

“The corporation issued ten-year bonds to finance the construction of its new manufacturing facility in Southeast Asia.”

B2 · Upper Intermediate Countable noun Science Technical

n. the force that holds atoms together in a molecule.

n. a lasting attraction between atoms, ions, or molecules that enables the formation of chemical compounds.

日本語:結合※

Español:enlace

“Water is formed when a chemical bond joins hydrogen and oxygen atoms.”

“The strength of the covalent bond determines the stability of the resulting molecular structure under high temperatures.”

C1 · Advanced Uncountable noun Law Formal · Technical

n. an amount of money paid as a promise that someone will return to court or finish a contract.

n. a binding legal agreement or a sum of money paid as a guarantee of an obligation, such as appearing in court.

“The judge set the bail bond at five thousand dollars.”

“The contractor was required to provide a performance bond to ensure the project would be completed according to the agreed specifications.”

B2 · Upper Intermediate Countable noun Literary

n. something used to tie or hold someone's hands or feet so they cannot move.

n. a physical restraint, such as a rope or chain, used to bind someone or something.

“The prisoner managed to break his bonds and escape into the woods.”

“In the epic poem, the hero finally escapes the bonds that had held him captive for a decade.”

B2 · Upper Intermediate

v. to develop a strong relationship with someone.

v. to establish an emotional or social connection with another person or group.

“The team spent the weekend hiking to help the new members bond.”

“New mothers are encouraged to spend skin-to-skin time with their infants to help them bond immediately after birth.”

B2 · Upper Intermediate Technical

v. to join two things together firmly, often using glue or heat.

v. to join two surfaces or objects together using an adhesive, heat, or pressure.

“This special glue will bond plastic to metal in just a few seconds.”

“The two layers of composite material are bonded together under extreme pressure to ensure maximum durability.”