What does vibrion mean?
Vibrion is a technical noun for a bacterium belonging to the genus Vibrio, a group of generally rod-shaped bacteria found in water and associated with aquatic animals. The best-known example is Vibrio cholerae, the organism responsible for cholera, although not every member of the genus causes that disease. In medical and microbiological writing, vibrion may identify a member of the genus or refer specifically to cholera-causing organisms, so the surrounding context matters. The word is less usual than Vibrio, which is used for the genus name and appears in species names such as Vibrio parahaemolyticus. Vibrion therefore belongs chiefly to formal biological and clinical vocabulary rather than general conversation. It remains useful because close taxonomic relationships do not necessarily imply identical disease behaviour, environmental preferences, or susceptibility to treatment. The name reflects the characteristic movement of many vibrions, which propel themselves through liquid with flagella.
nounA bacterium belonging to the genus Vibrio; in medical usage, especially Vibrio cholerae, the bacterium that causes cholera.
- A bacterium of the genus Vibrio, especially the cholera-causing bacterium Vibrio cholerae.
"The laboratory identified the organism as a vibrion and confirmed the result by culture."
"The clinician suspected a vibrio infection and ordered a stool culture."
"Researchers used genetic sequencing to identify the vibrion and distinguish it from other members of the Vibrio genus."
The standard plural adds -s and is used when referring to multiple bacteria of the genus.
"The researchers compared genetic sequences from several vibrions isolated during the outbreak."
The name echoes vibration because many members of the Vibrio genus are vigorous swimmers propelled through water by flagella.
Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.
Etymology of vibrion
Vibrion was formed in scientific Latin from Latin vibrāre, meaning “to shake or vibrate.” It belongs to the same root seen in English words such as vibration, vibrant, and vibrate, as well as in the genus name Vibrio.
How vibrion is actually used
This is a specialized biological and medical term. Outside formal microbiological writing, Vibrio is more usual, and binomial names such as Vibrio cholerae should retain their standard capitalization.
Easily confused with vibrion
Vibrio is the standard name of the bacterial genus and a common singular term for its members, whereas vibrion is a less common English noun for an organism in that genus.