Word.ws English Dictionary

photoinitiator

photoinitiator noun: any substance that initiates a chemical reaction by the absorption of a photon to form an excited state.

Noun

photoinitiator (plural photoinitiators)

  1. Any substance that initiates a chemical reaction by the absorption of a photon to form an excited state.

Forms of photoinitiator

pluralphotoinitiators

Origin of photoinitiator

From photo- + initiator.

Questions about photoinitiator

What does photoinitiator mean?
Photoinitiator means any substance that initiates a chemical reaction by the absorption of a photon to form an excited state.
What part of speech is photoinitiator?
Photoinitiator is a noun.
What is the plural of photoinitiator?
The plural of photoinitiator is photoinitiators.

Words near photoinitiator in the dictionary

  1. photoinitiated
  2. photoinitiating
  3. photoinitiation
  4. photoinitiations
  5. photoinitiatior
  6. photoinitiator
  7. photoinitiators
  8. photoinject
  9. photoinjected
  10. photoinjecting
  11. photoinjector

Source and license

Adapted from Wiktionary: photoinitiator (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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