| Answer | Crossword Clue |
|---|---|
| ethanoic | as in ethanoic acid, the same as acetic acid |
| phosphonic | as in phosphonic acid, the same as phosphorous acid |
| dodecanoic | as in dodecanoic acid, a crystalline fatty acid occurring as glycerides in natural fats and oils (especially coconut oil and palm-kernel oil) |
| racemism | (of a compound) the state of being optically inactive and separable into two other substances of the same chemical composition as the original substance, one of which is dextrorotatory and the other levorotatory, as racemic acid |
