RLB
RLB is used in baseball analytics to indicate a replacement‑level player, in medical contexts for right lateral bending of the spine, and as a shorthand for the engineering firm Rider Levett Bucknall or relocatable building projects.
Medical
Miscellaneous
Rider Levett Bucknall
Redding Linden Burr
Re Locatable Building
Round Lake Brewster
Rated Load Break
Regulated Lag Ballast