rotavirus
UK[ˈrəʊtəˌvaɪrəs]US[ˈroʊtəˌvaɪrəs]
n
Any of a group of RNA viruses that cause gastroenteritis, especially in infants and young children.
Morpheme Breakdown
rota
virus
rota
wheel
virus
poison, slimy liquid
Etymology
The term 'rotavirus' is a modern scientific coinage from the late 20th century, directly constructed from Latin roots to describe a specific pathogen. The first element, 'rota', meaning "wheel", was chosen because the virus particles possess a distinct wheel-like morphology when viewed microscopically. The second element, 'virus', derives from the Latin for "poison" or "slimy liquid", reflecting the ancient understanding of contagious agents. Thus, the word's literal meaning, "wheel poison", logically captures the physical structure and disease-causing nature of this microorganism.
Analysis
Structure: rota (wheel) + virus (poison, slimy liquid)
rota: Latin origin, meaning "wheel". In this word, it describes the wheel-like appearance of the virus particle under an electron microscope.
virus: Latin origin, meaning "poison, slimy liquid". In this word, it denotes the infectious agent.
Examples
Rotavirus is a common cause of severe diarrhea in young children worldwide.
A vaccine has significantly reduced hospitalizations due to rotavirus infection.
The doctor explained that the stomach flu was likely caused by a rotavirus.