Complete Clue List
Across
1. Violet coloured chemical element
4. Inventor of the battery (surname)
9. Unit of speed (init)
10. Branch of healthcare dealing with eyes and vision
11. Italian astronomer, 1564-1642 (first name)
12. Frame for climbing plants (UK)
13. Mushrooms, toadstools etc. (pl)
14. Freudian concept
15. Time zone in eastern US (init)
16. Major brand of adhesive products
18. Single number
19. Outer layer of the skin
22. Symbol for cadmium
23. Long poem
25. Symbol used to represent a number
27. Study of the physical properties of sound
28. Medication administered under the tongue (abbr)
29. Units of mass (UK)
31. Female gametes
32. Very long period of time
33. Symbol for atomic number 88
34. IOC Code for Oslo's country
35. Organic compound containing two methyl groups
37. Upper atmosphere
38. Adult males
39. Term used for identification
Down
1. Line connecting points of equal atmospheric pressure
2. Computer filing system
3. Rain-bearing cloud
5. The air we breathe
6. Chemical element, atomic number 81
7. Green pigment found in plants
8. Unit of heat (init)
9. Hammer-shaped ossicle of the middle ear
13. Abrasion, wearing away
15. Terminate, conclude
17. Lie dormant in winter (of an animal)
18. Eight-sided polygons
19. The skin or coat of a seed
20. Mathematical constant, 3.14
21. Physicist famous for E=mc squared (surname)
24. The study of plants
26. Analyses, as precious metals
30. Sleep stages 1-3 (abbr)
36. The Bay State (abbr)