Ion product of water; in chemistry, Kw = [H+][OH−], equal to 1 x 10⁻¹⁴ at 25°C.

A severe protein malnutrition condition characterized by edema, irritability, and an enlarged liver.

Causing or relating to cold or low temperatures.

An excessive outward curvature of the spine, causing a hunchback appearance.

Inflammation of the urinary bladder; another term for cystitis.

A radioactive isotope attached to a molecule to trace its path or identify its presence.

Having lips or lip-like structures; often refers to the shape of flowers in the mint family (Lamiaceae).

A part of the insect mouthparts, functioning as a lower lip.

The process of childbirth involving contractions of the uterus and delivery of the baby.

A flap-like structure forming the upper lip in arthropods, aiding in feeding.