- to strike at the root
- to fan the flame of passion
- to consolidate (oneself)
- the inanimate world
- to strike deep roots
- to inflict heavy damage
- to eat into the vitals of
- to cause a thorough shake_up
- to shake the foundation (of)
- to care for the leaves and ignore the root
- thermotherapy
- thrombolytic therapy
- theravada
- Tantilla
- Tropidoclonion
- Tupinambis
- Trionyx
- Titanosaurus
- Trimorphodon
- Tomistoma
- topless
- topmost
- tetherball
- to poke fun at
- toreador pants
- trews
- tawdrily
- theory of gravitation
- theory of indicators
- theory of dissociation
- theory of electrolytic dissociation
- theory of relativity
- theory of gravity
- theory of inheritance
- the seven notes in music
- team up
- throttler
- Thamnophis proximus
- Thamnophis sauritus
- Thamnophis sirtalis
- thalmencephalon
- telencephalon
- trumpetfish
- teleostei
- Thiosulfil
- training school
- tink
- Texas Ranger
- toxic industrial waste
- toxic waste