(zoology) Filled with roe.

(transport, nautical) Abbreviation of roll-on roll-off. / An individual vehicle of this kind.

plural of ro-ro

Initialism of reverse osmosis. / Initialism of restraining order. / (postal) Initialism of receiving office.

Abbreviation of Rondônia, A state of Brazil.

A diminutive of the female given name Rosalind. / A diminutive of the female given name Rosamund.

(ISS, space science, US) Initialism of Russian Orbital Segment. (the part of the International Space Station that was contributed by Russia, or using ROSCOSMOS/Mir specification-based modules)

(abbreviation) Abbreviation of reactive oxygen species. / (abbreviation) Robot Operating System, a robotic middleware

Initialism of Rights of Survivorship. Synonym of JWROS

(mineralogy) A hexagonal-dihexagonal dipyramidal mineral containing iron, magnesium, oxygen, potassium, silicon, and sodium.