DICTIONARY ENTRY
4 SYLLABLES
phenolphthalein
/,finɑl'θeɪlin/ · finɑlθeɪlin
Phenolphthalein has 4 syllables: phe · nol · phtha · lein.
phe
01
nol
02
phtha
03
lein
04
noun. A laxative used in many preparations under various trade names; also used as an acid-base indicator in titrations involving weak acids and strong bases because it is brilliant red at high alkalinity and colorless below pH 8.
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