tri·he·dron 
(trī-hēdrən)
(trī-hēdrən)n. pl. tri·he·drons or tri·he·dra (-drə)
A figure formed by three planes meeting at a point. Also called trihedral.
- bestialization
- bestialize
- bestially
- bestiary
- bestir
- best man
- bestow
- bestowable
- bestowal
- bestowment
- bestrew
- bestride
- bestseller
- best seller
- bestsellerdom
- best-selling
- be stuck on
- bet
- beta
- beta-adrenergic
- beta-adrenergic antagonist
- beta-adrenergic blocker
- beta-adrenergic receptor
- beta-agonist
- beta-amyloid