nonimpact

adj

1. (not-comparable)Not involving impact.

   “a nonimpact printing technology”

   “nonimpact aerobics”

noun

1. (countable, uncountable)Absence of impact; a situation where no impact occurs.
2. (countable)A printer that is not an impact printer.

   “Q: Are nonimpacts noisier or quieter than impact printers? A: The nonimpacts are almost silent compared to the noisy, hammer-striking printers.”