Te·bal·di 
(tə-bäldē, tĕ-), Renata 1922-2004.
(tə-bäldē, tĕ-), Renata 1922-2004. Italian soprano known for her dramatic portrayal of heroines in the operas of Verdi and Puccini.
- protohuman
- Proto-Indo-European
- protolanguage
- protolithic
- protomartyr
- protomorph
- protomorphic
- proton
- protonema
- protonemal
- protonematal
- protonic
- protonotary
- protonotary
- protonotary apostolic
- proton-proton chain
- proton pump inhibitor
- proton synchrotron
- proto-oncogene
- protopathic
- protopathy
- protoplanet
- protoplanetary disk
- protoplasm
- protoplasmal