PSO

English

Noun

PSO (plural PSOs)

1. Public safety officer.
2. (Australia) Protective services officer.
3. Protostellar object (or proto-stellar object).

Related terms

(protostellar object):

• YSO (young stellar object)
• SSO (substellar object)
• QSO (quasistellar object)

Anagrams

• OPS, POS, POs, S.O.P., SOP, ops, pos, sop