R/S
See also:
Appendix:Variations of "rs"
English
Noun
R/S
(
uncountable
)
(
nautical
)
Initialism of
research ship
.
Alternative forms:
RS
,
R.S.
,
R. S.
Synonyms:
(
research vessel
)
R/V
,
RV
,
R.V.
,
R. V.