How to Pronounce "phenolphthalein"
word
ˌfɛnɑɫfˈθeɪɫən/, /ˌfinɑɫfˈθeɪɫən
fi-NOL-THAY-leen
fiːnɒlˈfθeɪliːn
fee-NOL-THAY-leen
Definition
Phenolphthalein is a chemical compound used as an indicator in acid-base titrations. It changes color to show whether a solution is acidic or basic.
IPA Transcription
American English
ˌfɛnɑɫfˈθeɪɫən/, /ˌfinɑɫfˈθeɪɫən
British English
fiːnɒlˈfθeɪliːn
Simplified Pronunciation
US
fi-NOL-THAY-leen
UK
fee-NOL-THAY-leen
Listen in Context
Phenolphthalein turns pink in a basic solution.
We used phenolphthalein to test if the liquid was acidic.
The color change of phenolphthalein helps us know the pH.
If the solution stays colorless, phenolphthalein shows it’s still acidic.