phenolphthalein
nounHow to pronounce phenolphthalein:
Definition of phenolphthalein:
- phenolphthalein (noun):
- a white or yellowish-white crystalline compound c20h14o4 used in analysis as an indicator because its solution is brilliant red in alkalies and is decolorized by acids and in medicine as a laxative
- 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.
Synonyms for phenolphthalein:
laxative
Here are some other common 4-syllable words.
- analytic
- procrastinate
- proverbial
- overshadow
- disconcerted
- timidity
- fictitious
- cherishable
- monocratic
- preconception
- fortuitously
- academy
- forgetfulness
- discourtesy
- confrontation
- galagala
- Bougainvillea
- farsightedness
- charcuterie
- palliative
- unacquainted
- onychia
- indigestion
- everyway
- salubrious
- redhibition
- officious
- apparatus
- wisteria
- triceratops
- monocracy
- acrophobic
- invigilate
- etatism
- susurration
- fuliginous
- contemptuous
- requisitioned
- modillion
- uncleanliness
- perseverant
- satisfier
- camarilla
- submissible
- dedicated
- Alejandra
- reality
- incredulous
- Adriana
- insomniac
- … more
Syllable Fun Fact
The historical evolution of English has led to the silent 'e' and other silent letters, complicating syllable identification and pronunciation.
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