| It's mainly carbon |
COAL |
| It's mainly nitrogen |
AIR |
| Item measured in pennies |
NAIL |
| Jazz chanteuse Cassidy |
EVA |
| Jingle in the pocket ready for spending at the pub |
BEERMONEY |
| Kind of carnival show |
RAREE |
| Knee-ankle connector |
TIBIA |
| Like a disciplined debater, say |
ONTOPIC |
| Medium for temporary sculptures |
ICE |
| Nickname for 20 Across, and the title of a classic film released 50 years ago this November 1 |
COOLHANDLUKE |
| Not throwing strikes, say |
WILD |
| O.W.L.s, to Harry Potter |
EXAMS |
| Object inscribed with the Code of Hammurabi, e.g |
STELE |
| Part of the translation of 'anno Domini' |
OUR |
| Particle in quantum physics |
BOSON |
| Peerless |
ONLY |
| Period of riotous indulgence |
ORGY |
| Pizarro originally called it Ciudad de los Reyes |
LIMA |
| Places for retractable claws |
PAWS |
| Prefix denoting 10 to the ninth power |
GIGA |
| Prefix with -phyte |
EPI |
| Professorial |
ERUDITE |
| Public face |
PERSONA |
| Putterer in Bermuda |
MOPED |
| Say 10 Across |
WED |
| Sigma follower |
TAU |
| Slab strengthener |
REBAR |
| Snares with honda knots |
LASSOES |
| Squarely |
SPANG |
| Starter on a legal memo |
INRE |
| Stunning brand name? |
TASER |
| Tenure, maybe |
ERA |
| The M48 Patton and others |
TANKS |
| What 20 Across 'joined' after vandalizing parking meters |
PRISONROADGANG |
| What 20 Across ate 50 of on a bet |
HARDBOILEDEGGS |
| What a gatekeeper grants |
ENTRY |
| What some kids do to earn their allowance |
MOW |
| You can stand to lose it |
LAP |