Quantcast
Merriam-Webster Logo
  • Dictionary
  • Thesaurus
  • Scrabble
  • Spanish Central
  • Learner's Dictionary

lysosome

play
noun ly·so·some \ˈlī-sə-ˌsōm\

Definition of lysosome

  1. :  a saclike cellular organelle that contains various hydrolytic enzymes — see cell illustration

lysosomal

play \ˌlī-sə-ˈsō-məl\ adjective


Origin and Etymology of lysosome

International Scientific Vocabulary lys- + 3-some


First Known Use: 1955


LYSOSOME Defined for Kids

lysosome

noun ly·so·some \ˈlī-sə-ˌsōm\

Definition of lysosome for Students

  1. :  a tiny saclike part in a cell that contains enzymes which can break down materials (as food particles and waste)




Medical Dictionary

lysosome

play
noun ly·so·some \ˈlī-sə-ˌsōm\

Medical Definition of lysosome

  1. :  a saclike cellular organelle that contains various hydrolytic enzymes

lysosomal

\ˌlī-sə-ˈsō-məl\play adjective

lysosomally

\-mə-lē\play adverb


Illustration of lysosome


Learn More about lysosome


Seen and Heard

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

WORD OF THE DAY

different from the usual or normal

Get Word of the Day daily email!

WORD GAMES

Take a 3-minute break and test your skills!

alphabet-pasta-spelling-help

Which is the correct spelling?

acommodate acommadate accomodate accommodate
Name That Thing

Test your visual vocabulary with our 10-question challenge!

TAKE THE QUIZ
SCRABBLE® Sprint

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

TAKE THE QUIZ