HOW TO PRONOUNCE
proto
/ˈpɹoʊtə/
Press play to hear how to pronounce proto.
American Pronunciation Guide · 0:47
Watch on YouTube ↗
Watch on YouTube ↗
What does proto mean?
adjective
- Clipping of prototypical; preceding the proper beginning of something.
noun
- (informal) A prototype of a design.
- (informal, slang) A protogen.
More meanings (1)
proper noun
- A surname.
Definitions regrouped for readability · CC BY-SA 4.0
IPA pronunciation
/ˈpɹoʊtə/
CMU Pronouncing Dictionary ↗Pronunciation varies by speaker and region. About these dictionary pronunciations.
In the pages of books
See this word in context.
The prefixes are: mono or proto, one; di or bi, two; tri or ter, three; tetra, four; pente, five; hex, six; etc. Diarsenic pentoxide is written, As2O5.