DEFINITIONS
The
2019 WORD
OF THE YEAR is...

s.o.s.

(in prescriptions) if necessary.

Words nearby s.o.s.

s.m.m., s.m.o.m., s.o., s.o.b., s.o.l., s.o.s., s.p., s.p.c.a., s.p.c.c., s.p.f., s.p.q.r.

Origin of s.o.s.

From the Latin word sī opus sit
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Medical definitions for s.o.s.

s.o.s.

abbr.

si opus sit (if needed)
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.