Word Pronunciation & Dictionary

photocatalyst

Word Rarity Very rare

Frequency: Zipf frequency 1.40 in modern English

Syllables
pho-to-cat-a-lyst
IPA
23
Scrabble Score
13
Letters
5
Syllables
9
Unique Chars

Meaning

noun

A substance that absorbs light and, in doing so, catalyzes a reaction.

Etymology

Etymology tree Proto-Indo-European *bʰeh₂- Proto-Indo-European *-os Proto-Indo-European *bʰéh₂os Proto-Hellenic *pʰáwos Ancient Greek φᾰ́ος (phắos) Ancient Greek φῶς (phôs) Ancient Greek φωτο- (phōto-)der. English photo- English catalysis Proto-Indo-European *-id- Proto-Indo-European *-yéti Proto-Indo-European *-idyéti Proto-Hellenic *-íd͏̌d͏̌ō Ancient Greek -ῐ́ζω (-ĭ́zō) Proto-Hellenic *-tās Ancient Greek -τής (-tḗs) Ancient Greek -ῐστής (-ĭstḗs)bor. Latin -istader. Old French -istebor. Middle English -ist English -ist English catalyst English photocatalyst From photo- + catalyst.

Inflected Forms

Derived Forms

Frequently Paired Words

Questions

What does photocatalyst mean?
A substance that absorbs light and, in doing so, catalyzes a reaction.
Where does photocatalyst come from?
Etymology tree Proto-Indo-European *bʰeh₂- Proto-Indo-European *-os Proto-Indo-European *bʰéh₂os Proto-Hellenic *pʰáwos Ancient Greek φᾰ́ος (phắos) Ancient Greek φῶς (phôs) Ancient Greek φωτο- (phōto-)der. English photo- English catalysis Proto-Indo-European *-id- Proto-Indo-European *-yéti Proto-Indo-European *-idyéti Proto-Hellenic *-íd͏̌d͏̌ō Ancient Greek -ῐ́ζω (-ĭ́zō) Proto-Hellenic *-tās Ancient Greek -τής (-tḗs) Ancient Greek -ῐστής (-ĭstḗs)bor. Latin -istader. Old French -istebor. Middle English -ist English -ist English catalyst English photocatalyst From photo- + catalyst.

How to pronounce photocatalyst

  1. Open the pronunciation page — Open the Speakur entry for “photocatalyst”.
  2. Read the phonetic spelling — Read the IPA spelling () so you know which sounds to aim for.
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  4. Repeat and practice — Say “photocatalyst” aloud, matching stress and vowels until it feels natural.