ros

name

1. A diminutive of the female given name Rosalind.
2. A diminutive of the female given name Rosamund.
3. (US, abbreviation, alt-of, initialism)Initialism of Russian Orbital Segment, the part of the International Space Station that was contributed by Russia, or using ROSCOSMOS/Mir specification-based modules.

noun

1. (abbreviation, alt-of, countable, uncountable)Abbreviation of reactive oxygen species.

   “O₂^(•−) and OH^• are highly unstable (half-life at the level of microseconds and nanoseconds, respectively) and cannot cross membrane, while H₂O₂, though not a free radical but a ROS, is relatively stable (half-life around 1 ms) (Møller et al. 2007) and can cross membranes through aquaporins.”

   “Either way, a set of antioxidants worked to reduce the levels of ROS, and the [fruit] flies could live to the ripe old age of 40 days… if not a teensy bit longer! But most importantly, this demonstrated that the death from lack of sleep was not only correlated with the production of ROS, but caused by it.”

2. (abbreviation, alt-of, countable, singular, singular-only, uncountable)Abbreviation of Robot Operating System, a robotic middleware.
3. (abbreviation, alt-of, countable, initialism, plural, plural-only, uncountable)Initialism of rights of survivorship.
4. (abbreviation, alt-of, countable, initialism, uncountable)Initialism of run of station.