SBR noun 9forms 1 noun9 •Initialism of screen-to-body ratio. •Initialism of styrene-butadiene rubber. •Initialism of short-barreled rifle. •Initialism of spectral band replication. •Initialism of space-based radar. •Initialism of sequencing batch reactor. •Initialism of serum bilirubin. •Initialism of skills-based routing. •Initialism of shooting or bouncing ray. formsSBRs