nonreciprocating

/ˌnɑnrɪˈsɪprəˌkeɪtɪŋ/
adjective
  1. Not given or done in return; not mutual.
    • The treaty was criticized for its nonreciprocating trade terms.
    • His nonreciprocating smile made the conversation awkward.
    • She felt hurt by his nonreciprocating attitude in their friendship.
  2. Describing a machine or part that does not move back and forth in a straight line.
    • Nonreciprocating pumps are often quieter than traditional ones.
    • The engine uses a nonreciprocating rotary design instead of pistons.
    • Engineers prefer nonreciprocating mechanisms for high-speed applications.
Synonyms
What does "nonreciprocating" mean? | whatsthatwordmean | whatsthatwordmean