Paramecium /par-ə-mēˈsi-əm or -mēˈshi-əm/

1. A genus of tiny animals including the slipper animalcule, a slipper-shaped infusorian
2. (without cap; pl paramēˈcia) an animal of the genus

• air cleaners
• air-commodore
• air-commodores
• air-compressor
• air-compressors
• aircon
• air-condition
• air-conditioned
• air-conditioner
• air-conditioners
• air-conditioning
• air-conditions
• air-cool
• air-cooled
• air-cooling
• air-cools
• air-corridor
• air-corridors
• air-cover
• air-covers
• aircraft
• aircraft-carrier
• aircraft-carriers
• aircraftman
• aircraftmen