gneiss 
(nīs)
(nīs)n.
A banded or foliated metamorphic rock, usually of the same composition as granite.
[German Gneis, probably alteration of Middle High German ganeist, spark (from its appearance), from Old High German gneista.]
gneissic (nīsĭk), gneissoid′ (nīsoid′), gneissose′ (nīsōs′) adj.
- lethargic
- lethargically
- lethargy
- let have it
- Lethbridge
- Lethe
- Lethean
- let in on
- let it all hang out
- let it/'er rip
- let it rip
- Leto
- let off on
- let on
- let (one's) hair down
- let one's hair down
- let out
- let-out
- letrozole
- let's
- let slip
- let (someone) have it
- let someone have it
- let (someone) in on
- let someone in on