hypodermoclysis

noun
hy·​po·​der·​moc·​ly·​sis | \ -dər-ˈmäk-lə-səs How to pronounce hypodermoclysis (audio) \
plural hypodermoclyses\ -​ˌsēz How to pronounce hypodermoclyses (audio) \

Medical Definition of hypodermoclysis

: subcutaneous injection of fluids (as saline or glucose solution)