| Answer | Crossword Clue |
|---|---|
| ETHER | Anesthetic gas of old |
| ETHYLENE | Anesthetic gas |
| ETHER | Anesthetic gas |
| ETHENE | Anesthetic gas |
| ETHENE | Gas used as an anesthetic |
| ETHER | Anesthetic of old |
| ETHER | Preoperative anesthetic of old |
| ETHER | Inhaled anesthetic of old |
| ETHER | Inhalation anesthetic of old |
| ETHERIC | Of an old anesthetic |
| ETHER | Dental anesthetic of old |
