tuff /tuf, tŭf/

1. A rock composed of fine volcanic fragments and dust
2. Tufa or other porous rock (obsolete)

tuffāˈceous adjective

• cycles per second
• cycleway
• cycleways
• cyclic
• cyclic adenosine monophosphate
• cyclical
• cyclicalities
• cyclicality
• cyclically
• cyclic AMP
• cyclic compound
• cyclic group
• cyclic groups
• cyclicism
• cyclicisms
• cyclicities
• cyclicity
• cyclin
• cycling
• cyclings
• cycling shorts
• cyclins
• cyclist
• cyclists
• cyclizine