reciprocating

verb

1. (form-of, gerund, participle, present)present participle and gerund of reciprocate

adj

1. (not-comparable)That moves back and forth or up and down.
2. (not-comparable)Of an engine type, that has one or more pistons that move back and forth or up and down.
3. (not-comparable)Of an other machine, whose mechanism relies on a back and forth or up and down motion.
4. (not-comparable)Of a person or their actions, responding in kind.

   “reciprocating behavior”