xen·o·lith 
(zĕnə-lĭth′, zēnə-)
(zĕnə-lĭth′, zēnə-)n.
A rock fragment foreign to the igneous mass in which it occurs.
- single-heartedly
- single-heartedness
- singlehood
- single-issue
- single knot
- single-lens reflex
- single-minded
- single-mindedly
- single-mindedness
- singleness
- single out
- single-payer
- single-phase
- singles bar
- single-sex
- single-space
- singlestick
- singlesticker
- singlet
- single tax
- singleton
- single-track
- singletree
- singlewide
- Singlish