In biology:
* Strain: A specific genetic variant or lineage within a species. This can refer to:
* Bacteria: A specific group of bacteria with a unique set of characteristics, like antibiotic resistance or virulence.
* Viruses: A specific version of a virus, like a particular strain of influenza.
* Plants: A specific variety of a plant with specific traits, like a high yield or disease resistance.
* Animals: A specific breed of animal with distinctive traits, like a certain coat color or temperament.
In other contexts:
* Strain: To put a lot of pressure or stress on something or someone.
* Example: "The new project is really straining our resources."
* Strain: A particular type of something, often used in the context of music or language.
* Example: "He plays a new strain of jazz."
* Strain: A twisted or sprained muscle or ligament.
* Example: "He pulled a strain in his hamstring."
To understand the meaning of "strains" in a particular situation, consider the surrounding context. If you provide more information about the situation where you encountered the word, I can give you a more precise answer.