am·​y·​lo·​plast ˈa-mə-(ˌ)lō-ˌplast How to pronounce amyloplast (audio)
: a colorless plastid that forms and stores starch

Word History

First Known Use

1882, in the meaning defined above

Time Traveler
The first known use of amyloplast was in 1882

Dictionary Entries Near amyloplast

Cite this Entry

“Amyloplast.” Dictionary, Merriam-Webster, Accessed 20 Apr. 2024.

Medical Definition


am·​y·​lo·​plast ˈam-ə-lō-ˌplast How to pronounce amyloplast (audio)
: a colorless starch-forming plastid
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