protochlorophyll

noun

pro·​to·​chlorophyll
"+
: a green magnesium-containing pigment that is present in etiolated leaves and seedlings which develop in the dark and that is converted to chlorophyll by reduction under the influence of light

Word History

Etymology

prot- + chlorophyll

Love words?

You must — there are over 200,000 words in our free online dictionary, but you are looking for one that’s only in the Merriam-Webster Unabridged Dictionary.

Start your free trial today and get unlimited access to America's largest dictionary, with:

  • More than 250,000 words that aren't in our free dictionary
  • Expanded definitions, etymologies, and usage notes
  • Advanced search features
  • Ad free!

Dictionary Entries Near protochlorophyll

Cite this Entry

“Protochlorophyll.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/protochlorophyll. Accessed 29 Nov. 2024.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!