1. plural of hygienist; professionals trained in the practice of hygiene, especially dental hygienists who clean teeth and provide oral health education under a dentist's supervision
Usage: most commonly refers to dental hygienists; can also refer to public health or industrial hygiene professionals

Examples

• The dental office employs three hygienists who work with patients before the dentist's examination.
• Hygienists play an important role in preventing tooth decay and gum disease.
• Many hygienists pursue additional certifications in specialized areas of dental care.
• The hygienists at the clinic provide fluoride treatments and scaling services.
• Industrial hygienists assess workplace safety and environmental health risks.
• Dental hygienists must complete accredited training programs and pass licensing exams.