virulence
Meaning
The severity or harmfulness of a disease or poison.
Bitter hostility; rancor.
Structure
Usage
The virulence of the infection surprised the medical team.
He responded to the criticism with surprising virulence.
Scientists are studying what factors influence the virulence of different virus strains.
Etymology
The word virulence traces a direct path from the physical world of ancient toxins to the abstract realm of intense animosity. Its core, the Latin virus, originally referred not to a microscopic pathogen but to a natural poison, venom, or even a foul-smelling slime. The adjective-forming suffix -ulentus was added to create virulentus, meaning "full of poison." English adopted this as "virulent," and the abstract noun suffix -ence was then appended to form "virulence," naming the state or quality of being poisonous. Over time, as medical science advanced, the term became specifically associated with the aggressive, disease-causing power of microbes, while also retaining a potent figurative sense for describing malicious hostility.
Analysis
- virul: From Latin virulentus (poisonous), itself from virus (poison, slimy liquid). In this word, it functions as the adjectival root meaning "poisonous." - ence: A noun-forming suffix of Latin origin (-entia), indicating a state, quality, or condition.