Clues marked with * share a common unstated definition

Across:
2. Text of small manuscript (3)
8. Base's major kept under hat (4)
9. Some late rains for Indian lowlands (5)
10. Imprisoned by plea deal * (4)
11. Funny ringtone * (8)
12. 60% of these may have engines under them * (6)
13. Match of 50 overs in total * (6)
15. Like ferns and mosses, unsual needs due (8)
17. Half of 25 on rear end * (7)
19. Juggling eight?! In both hands is more fair! (7)
22. Holier preparation involving 11 and 12 * (8)
24. One retracting English wedding vow * (6)
26. Landscape feature could start with almost anyone (6)
28. Program crawler to come near (8)
30. Man perhaps reading passage out loud (4)
31. Band writes for competitions (5)
32. Descriptor of seventy? (4)
33. Thin out hotel * (3)
Down:
1. You might leave it poorer with greatly reduced cash, as in zero! (6)
2. Encouraging, but not up for being playful (8)
:3. Type of party game: chasing seconds (4)
4. Run Maui poorly * (7)
5. Impedance in capacitance * (4)
6. John, in comic lark, entertaining (6)
7. Create no mixed pigment (8)
14. Major emperor in Japan, inspiring leadership (5)
16. If integrated circuits rise up... what sort of story is that?! (3-2)
18. Practice concerned with sombre vehicle (8)
20. Go dry off in outer layer * (8)
21. Died in debt, which could be connected (7)
23. Gone crazy, wielding axes! * (6)
25. Can the Spanish? * (6)
27. None more foolish * (4)
29. Stop changing office (4)
Solution:
=C=SMS=U=Z=C=C=
CAMP=TERAI=LEAD
=S=O=A=A=N=A=R=
NITROGEN=CARBON
=N=T===I===K=T=
SODIUM=UNSEEDED
===V=E=M=C===N=
ARSENIC=LIGHTER
=E===J=R=F=Y===
CHLORINE=IODINE
=E=X===L===R=I=
CANYON=APPROACH
=R=G=E=T=O=G=K=
ISLE=OPENS=EVEN
=E=N=N=D=TIN=L=
Name: 861 - Plea Deal
Author: by BenDR