char·mo·ni·um 
(chär-mōnē-əm)
(chär-mōnē-əm)n.
Any of various elementary particles consisting of a charm quark and an antiquark.
[From CHARM.]
- betterment
- better off
- better-off
- bettor
- betty
- Betty
- "Betty."
- "Betty."
- Betty Naomi
- between
- between a rock and a hard place
- betweenness
- between Scylla and Charybdis
- between the devil and the deep blue sea
- betweentimes
- between two fires
- betwixt
- betwixt and between
- scotophobia
- scotopia
- scotopic
- Scots
- Scots Gaelic
- Scots-Irish
- Scotsman