prolongedly

comparative more prolongedly · superlative most prolongedly

1. In a prolonged manner; at length.

   "In experiments where one or more stimuli are presented repeatedly or prolongedly, perhaps leading to habituation of an existing nonassociative response, the subsequent passage of time and/or exposure to another form of stimulation may […]"

   2013, Gary Greenberg, Ethel Tobach, Comparative Psychology of Invertebrates

   Synonyms: abidingly, enduringly, protractedly