Main Entry:

plas·tid

Pronunciation:

\ˈplas-təd\

Function:

noun

Etymology:

German, from Greek plastos molded

Date:

1885

: any of various cytoplasmic organelles (as an amyloplast or chloroplast) of photosynthetic cells that serve in many cases as centers of special metabolic activities

— plas·tid·i·al \pla-ˈsti-dē-əl\ adjective