simple past tense and past participle of break down

(participial adjective; mechanical, engineering) (sometimes comparative) Having been broken in to seat the parts.

past participle of break in

Abundant natural illumination in daytime, producing clear visibility.

Having a broken back. / (nautical, of a ship) Drooping at each end because of a damaged spine. / Decrepit, weakened.

A bronchus

Alternative spelling of brokenhearted Feeling depressed, despondent, or hopeless, especially over losing a love.

An intercalating agent commonly used as a nucleic acid stain, having the molecular formula C₂₁H₂₀BrN₃

plural of bronchiolus

(computing) An intermediary program that translates a message from the formal messaging protocol of the sender to the formal messaging protocol of the receiver in a telecommunication network where programs communicate by exchanging formally-defined messages.