axenic /ā-zenˈik/

(of a biological culture) not contaminated

• helminths
• helmless
• helms
• helmsman
• helmsmen
• Helodea
• helot
• helotage
• helotages
• helotism
• helotisms
• helotries
• helotry
• helots
• help
• helpable
• helpdesk
• helpdesks
• helped
• helper
• helpers
• helper T cell
• helper T cells
• helper T lymphocyte
• helper T lymphocytes