w/o

Hobbies, Lifestyle, Sports Abbreviation, No plural Abbreviation of walkover.

Abbreviation, No plural Abbreviation of week of.

Business, Finance, Insurance Abbreviation, No plural Abbreviation of write-off.

Chemistry, Natural sciences, Physical sciences No plural weight-percent (percentage calculated by relative mass)

Abbreviation, No plural Abbreviation of week(s) old.

Abbreviation, No plural Abbreviation of wife of.