1. Plural of paramecium; single-celled organisms (protozoans) commonly found in freshwater, often used in biology education and research.
Usage: Also spelled 'paramecia' (Latin plural form); Commonly studied in high school and college biology courses; Scientific/technical term

Examples

• The biology class observed parameciums under the microscope.
• Parameciums move using tiny hair-like structures called cilia.
• Students cultured parameciums in pond water for their experiment.
• These parameciums reproduce through binary fission.
• The lab provided slides of parameciums for the practical exam.