Dictionary.com

pinocytosis

[ pin-uh-sahy-toh-sis, pahy-nuh- ]
/ ˌpɪn ə saɪˈtoʊ sɪs, ˌpaɪ nə- /
Save This Word!

noun Physiology.
the transport of fluid into a cell by means of local infoldings by the cell membrane so that a tiny vesicle or sac forms around each droplet, which is then taken into the interior of the cytoplasm: Some drugs, such as penicillin, are unable to cross biological barriers unless they make use of carrier proteins or are taken across by pinocytosis.

COMPARE MEANINGS

Click for a side-by-side comparison of meanings. Use the word comparison feature to learn the differences between similar and commonly confused words.
QUIZ
WILL YOU SAIL OR STUMBLE ON THESE GRAMMAR QUESTIONS?
Smoothly step over to these common grammar mistakes that trip many people up. Good luck!
Question 1 of 7
Fill in the blank: I can’t figure out _____ gave me this gift.

Origin of pinocytosis

First recorded in 1895–1900; from Greek pín(ein) “to drink” + -o- + -cyte + -osis, on the model of phagocytosis

OTHER WORDS FROM pinocytosis

pin·o·cy·tot·ic [pin-uh-sahy-tot-ik, pahy-nuh-], /ˌpɪn ə saɪˈtɒt ɪk, ˌpaɪ nə-/, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
FEEDBACK