protactic
/prə(ʊ)ˈtaktɪk/rare
adjective
1Placed before, in front of, or at the beginning of something.
2Of or relating to a protasis; appearing only in a protasis.
Origin
Early 19th century; earliest use found in Noah Webster (1758–1843), lexicographer. From pro- + tactic, after Hellenistic Greek προτακτικός placed in front, used as a prefix.
- thymus gland
- thymy
- thyristor
- thyro-
- thyroglobulin
- thyroid
- thyroid cartilage
- thyroidectomy
- thyroid gland
- thyroiditis
- thyroid-stimulating hormone
- thyrotoxicosis
- thyrotrophin
- thyrotropin
- thyrotropin-releasing factor
- thyrotropin-releasing hormone
- thyroxine
- thyrsus
- Thysanoptera
- thysanopteran
- Thysanura
- thysanuran
- thyself
- Thz
- thé dansant