em·brit·tle 
(ĕm-brĭtl)
(ĕm-brĭtl)tr. & intr.v. em·brit·tled, em·brit·tling, em·brit·tles
To make or become brittle.
em·brittle·ment n.
- running noose
- running start
- running stitch
- runny
- Runnymede
- run off
- runoff
- run off at the mouth
- run off with
- run-of-the-mill
- run on
- run-on
- run (one's) eyes over
- run one's eyes over
- run-on sentence
- run out
- runout
- run out of
- run out of gas
- run out of gas/steam
- run out of steam
- run out on
- run over
- run rings around
- run run out the clock