IPA: /haɪˈdʒiːnɪst/
KK: /haɪˈdʒiːnɪst/
A professional who specializes in maintaining cleanliness and health, often working in dental or medical settings to promote good hygiene practices.
The hygienist recommended that I brush my teeth twice a day and floss regularly.
Hygienist → It is formed from "hygiene" (from Greek "hygieinē", meaning health) and "-ist" (meaning one who practices or is concerned with). A hygienist is someone who practices or is concerned with health and cleanliness.
Think of 'hygiene' as relating to health, and remember that a 'hygienist' is someone who is focused on maintaining health.