- biological antagonism
- biochemical
- bacteriophage attachment
- biologic maturation
- biolinguistics
- biologic potency
- biological variation
- Bunyaviridae
- bacterial spore
- bunyavirus
- biomedical program
- bacteriostatic effect
- bacteriogenic haemagglutination
- bactopeptone
- botanize
- bacterial endocarditis
- botanise
- blustery
- be out of luck
- bloody_minded
- be no great shakes
- benny goodman
- balanitis xerotica obliterans
- balanitis circinata
- balanced sorting
- balanced ternary system
- balanced fertilization
- balanced merge sort
- branta leucopsis
- balanorrhagia
- barnacle
- barnacle goose
- bogy
- bad hand. writing
- bluff(ing)
- biodegradable pollution
- brick cheese
- brick lined chamber
- biskek
- bishkek
- blue racer
- Bay Stater
- bodacious
- brazen
- brazen it out
- baneful
- bog rosemary
- be foredoomed to failure
- be it so !
- bedpan cover