| Answer | Crossword Clue |
|---|---|
| NEON | It's used as a cryogenic refrigerant |
| CRYOGEN | Liquid used as a refrigerant |
| DIGITALIS | Its leaves are used as a heart stimulant |
| ROGET | It's often used as a synonym for "thesaurus" |
| TNT | What was originally used as a yellow dye before its best-known property was discovered |
| SLIPPERYELM | Its bark is used as an herbal supplement |
| PESTO | Sauce with the same consonants as what it's used on |
