Across
- 3. Heartbeat measuring device
- 5. Echinoderm or chordate
- 6. The smell of rain
- 8. Cave salamander
- 9. Carbon's outer shell
- 10. Controversial COVID cure
- 14. Triple conjunction
- 16. A form of verse
- 17. Early name for oxygen: _ air
- 18. Rare glassy metamorphic rock
- 19. Teflon
- 20. Long words
Down
- 1. Common explosive
- 2. Painkiller
- 4. Similar to a mattock
- 7. Volcanic
- 11. Evangelical cooperation
- 12. Antidisestablishmentarianism in practice
- 13. Emotional center
- 14. Machining scraps
- 15. Satisfaction in others' misfortune