/ haɪˈdʒiːnɪk; NAmE ; NAmE usually -ˈdʒen-/ adjective
clean and free of bacteria and therefore unlikely to spread disease :
Food must be prepared in hygienic conditions.
OPP unhygienic
► hy·gien·ic·al·ly / -kli; NAmE / adverb :
Medical supplies are disposed of hygienically.