| ROC | mythical bird of prey having enormous size and strength |
|---|---|
| ROC | European leek cultivated and used like leeks |
| ROC | a source of the dye archil and of litmus |
| ROC | a source of the dye archil and of litmus |
| ROC | a fungus family of division Lichenes |
| ROC | United States prizefighter who won the world heavyweight championship in 1952 (1924-1969) |
| ROC | a genus of Serranidae |
| ROC | marine food and game fish with dark longitudinal stripes |
| ROC | a parenteral cephalosporin (trade name Rocephin) used for severe infection of the lungs or throat or ears or urinary tract |
| ROC | French general who commanded French troops in the American Revolution, notably at Yorktown (1725-1807) |
| ROC | an effervescing salt containing sodium bicarbonate and Rochelle salt and tartaric acid |
| ROC | a double salt used in Seidlitz powder |