(organic chemistry) A clear, hygroscopic, odorless liquid, which is described by the chemical structural formula HO-CH₂-CH₂-O-CH₂-CH₂-OH. It is toxic to humans and other animals.

Thin, malnourished and weak.

(biology, computing) The organization, representation and making accessible of biological data to both humans and computers

(rail transport) The mechanical parts of the braking system on locomotives and other rolling stock.