protoplast

noun
pro·​to·​plast | \ ˈprō-tə-ˌplast How to pronounce protoplast (audio) \

Definition of protoplast

1 : one that is formed first : prototype
2 : a plant cell that has had its cell wall removed also : the nucleus, cytoplasm, and plasma membrane of a cell as distinguished from inert walls and inclusions

Examples of protoplast in a Sentence

Recent Examples on the Web Moisturize with Shiseido Waso Clear Mega-Hydrating Cream, made with whole carrot protoplasts (what's left of the cell when its wall dissolves). Maya Mcdowell, Seventeen, 21 May 2019

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'protoplast.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of protoplast

1532, in the meaning defined at sense 1

History and Etymology for protoplast

Middle French protoplaste, from Late Latin protoplastus first human, from Greek prōtoplastos first formed, from prōt- prot- + plastos formed, from plassein to mold — more at plaster

Learn More About protoplast

Time Traveler for protoplast

Time Traveler

The first known use of protoplast was in 1532

See more words from the same year

Dictionary Entries Near protoplast

protoplasmal

protoplast

protopod

See More Nearby Entries 

Statistics for protoplast

Cite this Entry

“Protoplast.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/protoplast. Accessed 18 Jan. 2022.

Style: MLA
MLACheck Mark Icon ChicagoCheck Mark Icon APACheck Mark Icon Merriam-WebsterCheck Mark Icon

More Definitions for protoplast

protoplast

noun
pro·​to·​plast | \ ˈprōt-ə-ˌplast How to pronounce protoplast (audio) \

Medical Definition of protoplast

: the nucleus, cytoplasm, and plasma membrane of a cell as distinguished from inert walls and inclusions

More from Merriam-Webster on protoplast

Britannica.com: Encyclopedia article about protoplast

WORD OF THE DAY

Test Your Vocabulary

Difficult Spelling Words Quiz

  • alphabet pasta spelling help
  • Which is the correct spelling?
How Strong Is Your Vocabulary?

Test your vocabulary with our 10-question quiz!

TAKE THE QUIZ
Universal Daily Crossword

A daily challenge for crossword fanatics.

TAKE THE QUIZ
Love words? Need even more definitions?

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