A baby who was conceived by in vitro fertilisation and then implanted in the uterus of the mother.

A device that produces X-rays by directing energetic electrons into a metal target.

a vacuum tube in which electrons from a heated cathode are focused and deflected onto a phosphorescent screen; used in television sets etc

(euphemistic, idiomatic, US) Synonym of go down the toilet: to fail; to degenerate rapidly.

(electronics) An electron tube in which high-energy microwaves are produced by transferring energy from electrons

(medicine) A potentially fatal condition caused by a feeding regimen given through a tube that provides too little water and too much protein in the diet.

past participle of go down the tube

plural of test tube baby

Riftia pachyptila, a large marine worm found around the floor of the Pacific Ocean near geothermal vents.

(botany) A type of sclerenchyma cell located in the phloem that is involved in the movement of carbohydrates.