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subvariant

American  
[suhb-vair-ee-uhnt] / ˈsʌbˌvɛər i ənt /

noun

  1. Microbiology, Pathology. a genetically distinct form of a virus, bacteria, or other microorganism, which arises when a variant of the original strain mutates.

  2. in a classification or hierarchy, a distinct, often more specialized type of something that is itself one of a subset of a broader or higher category; subtype.

    Each fighter plane in the A-series was eventually issued in the subvariants of fighter-bomber and bomber-destroyer.


Etymology

Origin of subvariant

First recorded in 1900–05; sub- ( def. ) + variant ( def. )

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

Over the autumn and winter, about 30% of coronavirus samples analyzed in three European countries — Germany, the Netherlands and Denmark — were the Cicada subvariant, according to the Morbidity and Mortality Weekly Report.

From Los Angeles Times Apr. 20, 2026

In lab studies, the Cicada subvariant efficiently evades immunity from a prior vaccination or infection, according to a report published by the U.S.

From Los Angeles Times Apr. 20, 2026

In November, BA.3.2 was identified in a wastewater sample in Rhode Island; and among patients, the first detections of the new subvariant were found in three different states in December and early January.

From Los Angeles Times Apr. 20, 2026

It is not yet clear whether the new H3N2 Flu A subclade K subvariant will reduce the efficacy of the flu vaccine this season.

From Los Angeles Times Feb. 27, 2026

However, the intended effectiveness of the flu vaccine against symptomatic disease caused by the new subvariant remains uncertain, the World Health Organization said.

From Los Angeles Times Dec. 23, 2025

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