tri·mor·phic 
(trī-môrfĭk) also tri·mor·phous (-fəs)
(trī-môrfĭk) also tri·mor·phous (-fəs)adj.
1. Biology Having or occurring in three differing forms.
2. Chemistry Crystallizing in three distinct forms.
tri·morphi·cal·ly adv.
tri·morphism n.
- beat brains
- beat brains out
- beaten
- beater
- beat/flog a dead horse
- Beat Generation
- beatific
- beatifically
- beatification
- beatify
- beating
- beat it
- beatitude
- beatnik
- beat off
- Beaton
- beat one's brains
- beat (one's) brains (out)
- beat one's brains out
- beat out
- Beatrice
- Beatrix
- beat the bushes
- beat the drum
- beat the drum/drums