RSO
Noun
Meaning
Initialism of range safety officer.
Initialism of registered sex offender.
Source: en.wiktionary.orgExamples
“Additionally this was our first semester as an RSO, so it was already a challenge to get it started,” Reifenheiser said.
All of our RSO can be mixed with food… you can put it on toast because it’s a syringe and a liquid base, or you could do it the normal way and put it underneath your tongue.
For example, at its marksmanship clinics, Project Appleseed requires that a range safety officer (RSO) uses a weed trimmer line to check each rifle's bore for obstructions prior to its first use for the day.
Arnold 1980, p. 266. In 1980, the company RSO Records published this film's original musical score as both a double LP album and as an 8-track cartridge in the United States.
Some of these RSO interest areas include: academic, cultural/international, environmental, Greek life, political/social action, religious, sports, and science.
RSO Records founder Robert Stigwood left the label in 1981 and TK Records closed in the same year.