DICT.TW Dictionary Taiwan
18.218.94.236
Search for:
▼[Show options]
[Pronunciation] [Help] [Database Info] [Server Info]

2 definitions found

From: Webster's Revised Unabridged Dictionary (1913)

 Pis·ton ring. Mach. A spring packing ring, or any of several such rings, for a piston.
 ◄ ►

From: WordNet (r) 2.0

 piston ring
      n : seal consisting of a split metal ring that seals the gap
          between a piston and the cylinder wall