plural lbs. lb.
land-based sources [of marine pollution]
Latin libra (pound)
LBT abbr. lupus band test
- Lb tr
abbreviation 1. troy pound See pound1 (sense 2)
abbreviation 1. Late Bottled Vintage: applied to port wine that has been matured in casks for six years and is then ready for drinking
abbreviation 1. leg before wicket low birthweight