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

pinocytosis

play
noun pi·no·cy·to·sis \ˌpi-nə-sə-ˈtō-səs, ˌpī-, -ˌsī-\

Definition of pinocytosis

plural

pinocytoses

play \-ˌsēz\
  1. :  the uptake of fluid and dissolved substances by a cell by invagination and pinching off of the cell membrane

pinocytotic

play \-ˈtä-tik\ or

pinocytic

play \ˌpi-nə-ˈsī-tik, ˌpī-\ adjective

pinocytotically

play \-ti-k(ə-)lē\ adverb


Origin and Etymology of pinocytosis

New Latin, from Greek pinein to drink + New Latin cyt- + -osis — more at potable


First Known Use: 1895


Medical Dictionary

pinocytosis

play play
noun pi·no·cy·to·sis \ˌpin-ə-sə-ˈtō-səs, ˌpīn-, -ˌsī-\

Medical Definition of pinocytosis

plural

pinocytoses

\-ˌsēz\play
  1. :  the uptake of fluid and dissolved substances by a cell by invagination and pinching off of the cell membrane




Learn More about pinocytosis


Seen and Heard

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

WORD OF THE DAY

mysterious, holy, or spiritual

Get Word of the Day daily email!

WORD GAMES

Take a 3-minute break and test your skills!

lavender-fields-in-france

Which of these is a synonym of caesura?

interruption torrent rebellion megillah
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