Complete Clue List
Across
1. Dielectric constant for capacitor
4. Density
7. A very small quantity
8. ___ square test
9. Universal set
10. Wavelength
13. European Union (abbrv.) (not a Greek letter)
14. Horse sport (not a Greek letter)
17. Relaxation time
18. Riemann ___ function
20. Summation
23. Plane angle
24. ___ function / radiation
25. Neutrino
Down
2. Highly ionizing particle
3. The golden ratio
5. 15th letter of Greek alphabet
6. Imaginary unit
8. Cubic inch (abbr.) (not a Greek letter)
11. Prefix for micro
12. High speed electrons
15. Ohm
16. Differentiation
19. Viscosity
20. Secant (abbr.) (not a Greek letter)
21. Information technology (abbr.) (not a Greek letter)
22. Mesopotamian God (not a Greek letter)