present participle of heavy

plural of heaviness

plural of dog heavy

plural of brain heavy

plural of jug-heavy

plural of wee heavy

Deuterium.

(chemistry) Water containing deuterium instead of normal hydrogen (protium) (symbol D₂O); used as a moderator in nuclear reactors.

(cricket) The heavier of the rollers used for flattening the pitch between innings.

(idiomatic) sad, melancholic.