Effective Concentration at which 50 | of

OF
abbr. chem. scient.	Oxygen Free
abbr. el. scient.	Optical Fiber
abbr. IT	Output File; Overflow Flag
abbr. mil.	Objective Force; Opposing Force; Optional Form
abbr. progr. IT	Open File
abbr. sport.	Outfield; Outfielder

| worms

WORMS
abbr. med.	Whole-Organ Magnetic Resonance Imaging Score

| will

WILL
abbr. radio	AM-580, FM-90.9, NPR, TV PBS, Urbana, Illinois

| leave

leave
mil. abbr.	lv

| sediment

sediment
abbr.	sed