basi - biol
- basic active
- basic cultivation
- basic diet
- basic energy service requirements
- basic extractive sludge treatment
- basic fertilizer
- basic guidelines on safety in biotechnology
- basic linked system
- basic metal
- basic oceanographic program
- basic protection level
- basic reaction
- basic reclamation
- basic soil improvement
- basic solution
- basic sounding unit
- basic station
- basic variables
- basic-forest belt
- basic-stage flood
- basifuge
- basin
- basin approach
- basin authority
- basin data base
- basin divide
- basin irrigation
- basin of deposition
- basin of internal drainage
- basin plan
- basin planning
- basin run-off control
- basin sludge
- basin-and-range landscape
- basin-wide water quality management
- basing-wide water quality management
- basiphilous
- basiphilous plant
- basis
- basis data unit