a·ce·tyl 
(ə-sētl, ăsĭ-tl)
(ə-sētl, ăsĭ-tl)n.
The methyl acyl group, CH3CO, formally derived from acetic acid.
ac′e·tylic (ăs′ĭ-tĭlĭk) adj.
- protestingly
- proteus
- Proteus
- prothalamion
- prothallial
- prothallium
- prothallus
- prothesis
- prothetic
- prothetically
- prothonotarial
- prothonotary
- prothonotary apostolic
- prothonotary apostolic
- prothonotary warbler
- prothoracic
- prothoracic gland
- prothorax
- prothrombin
- protist
- protistan
- protistology
- protium
- proto-
- Proto-Algonquian