(US) A surety, used to obtain the release of a criminal defendant who has been required to give bail.

(chemistry) A covalent bond in which one electron pair is shared between two atoms.

An insurance contract that covers an employer against loss due to fraudulent or dishonest employees.

(UK, finance) A method of financial investment available to British citizens where, instead of interest payments, investors have the chance to win tax-free prizes, or get their money back.

(chemistry) A weak bond in which a hydrogen atom in one molecule is attracted to an electronegative atom (usually nitrogen or oxygen) in the same or different molecule.

(chemistry) To bond to another species by means of hydrogen bonds. E.g. Water hydrogen bonds with itself.

A fixed-interest bond that is issued at its face value and repaid at the end of the maturity period together with the accrued interest.

A relationship, often permanent, formed between a male and female animal; initiated during courtship and maintained after mating.

(chemistry) a chemical bond in which mobile electrons are shared over many nuclei; this leads to electrical conduction

(finance) A bond (an instrument of debt) which is considered below "investment grade" due to a significant risk of default by the issuer. The interest rate is higher in order to compensate holders for that risk.