plastid

noun
plas·​tid | \ˈpla-stəd \

Definition of plastid 

: any of various cytoplasmic organelles (such as an amyloplast or chloroplast) of photosynthetic organisms (such as plants) that serve in many cases as centers of special metabolic activities (such as starch storage)

Other Words from plastid

plastidial \ pla-​ˈsti-​dē-​əl \ adjective

First Known Use of plastid

1885, in the meaning defined above

History and Etymology for plastid

German, from Greek plastos molded

Keep scrolling for more

Learn More about plastid

Statistics for plastid

Look-up Popularity

Time Traveler for plastid

The first known use of plastid was in 1885

See more words from the same year

Keep scrolling for more

More Definitions for plastid

plastid

noun
plas·​tid | \ˈplas-təd \

Medical Definition of plastid 

: any of various cytoplasmic organelles of photosynthetic cells that serve in many cases as centers of special metabolic activities

Other Words from plastid

plastidial \ pla-​ˈstid-​ē-​əl \ adjective

More from Merriam-Webster on plastid

See words that rhyme with plastid

Britannica.com: Encyclopedia article about plastid

Comments on plastid

What made you want to look up plastid? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

by force of circumstances

Get Word of the Day daily email!

Test Your Vocabulary

Difficult Vocab Quiz

  • the-education-of-achilles-eugne-delacroix
  • Which is a synonym of discomfit?
How Strong Is Your Vocabulary?

Test your vocabulary with our 10-question quiz!

TAKE THE QUIZ
Bee Cubed

Test Your Knowledge - and learn some interesting things along the way.

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!