hydrogen bond

noun
1.
a type of chemical bond in which a hydrogen atom that has a covalent link with one of the electronegative atoms (F, N, O) forms an electrostatic link with another electronegative atom in the same or another molecule.
Origin
1920-25
Examples from the web for hydrogen bond
  • The interloper does so by forcing one of the molecules in the cluster to share a hydrogen bond with it.
British Dictionary definitions for hydrogen bond

hydrogen bond

noun
1.
a weak chemical bond between an electronegative atom, such as fluorine, oxygen, or nitrogen, and a hydrogen atom bound to another electronegative atom. Hydrogen bonds are responsible for the properties of water and many biological molecules
hydrogen bond in Medicine

hydrogen bond n.
A chemical bond in which a hydrogen atom of one molecule is attracted to an electronegative atom, especially a nitrogen, oxygen, or fluorine atom, usually of another molecule.

hydrogen bond in Science
hydrogen bond  
A chemical bond formed between an electropositive atom (typically hydrogen) and a strongly electronegative atom, such as oxygen or nitrogen. Hydrogen bonds are responsible for the bonding of water molecules in liquid and solid states, and are weaker than covalent and ionic bonds.