plural of heavy metal umlaut

plural of heavy goods vehicle

A lorry, truck or other large vehicle used to transport cargo with a total weight of at least 3.5 tonnes.

A bus or truck designed for heavy work.

(chemistry) Water containing tritium instead of normal hydrogen (symbol T₂O).

(idiomatic) To overcomplicate things, to make things appear worse than they are.

(idiomatic) to make heavy weather of

(idiomatic, rare) drunk

A prolonged event believed to have occurred around the Hadean-Archean boundary, during which an unusually high number of asteroids hit the terrestrial planets and their moons.

(idiomatic, rare) Very heavy.