1. Bacteria that are unaffected by penicillin

Type of: bacteria, bacterium

• water under the bridge
• water vapor
• water vapour
• water vascular system
• water violet
• water vole
• water waggon
• water wagon
• water wings
• water witch
• water yam
• water-base paint
• water-cooled
• water-cooled reactor
• water-insoluble
• water-lily family
• water-loving
• water-milfoil family
• water-plantain family
• water-rate
• water-repellent
• water-resistant
• water-shield
• water-shield family
• water-skiing