pinocytosis

noun

"pinocytosis" is a 11-letter English headword indexed on PlainSpell.

The verdict

“pinocytosis” is uncommon English (outside the top frequency list), classed as a noun. The kind of spelling people second-guess.

Unranked
below top-frequency English
11
letters

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - A form of endocytosis in which material enters a cell through its membrane and is incorporated in vesicles for digestion.

Corpus desk

Index EN-pinocytosis · pinocytosis · English

pinocytosis · unranked · 0 variants · 0 confusables

  • FREQ-UNRANKED Unranked
  • LEN-MEGA 11 letters
  • VOW-5 5 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-THIN "P" thin
  • PHOTO-UNK Peer pending

Read with this headword: Spelling guide for this pattern

Desk codes from Wiktionary headword shape, FrequencyWords rank tier, confusable-pair count, generated misspelling depth, letter-cohort book size, and photo-finish peer. Not a difficulty grade.

Key facts for pinocytosis
PropertyValue
Headwordpinocytosis
LanguageEnglish
Part of speechNoun
Letters11
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “pinocytosis” in English

pinocytosisranks outside the top 100,000 English headwords, in the long tail of specialist, archaic, or seldom-used vocabulary, exactly the territory where a reader stops mid-sentence to double-check spelling.

Beyond rank #100,000. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

pinocytosis is uncommon English outside the top frequency list, classed as anoun. Rarity is why readers land here mid-draft. Gloss: "A form of endocytosis in which material enters a cell through its membrane and is incorporated in vesicles for digestion.".

The misspelling generator found no plausible variants for pinocytosis, since its letter pattern doesn't lend itself to common typo substitutions. It is not paired with a close-neighbour confusable in our dataset, suggesting its spelling stands apart enough that readers rarely confuse it with something else.

Etymologically, the entry records: From New Latin pīnocytōsis, from Ancient Greek πῑ́νω (pī́nō, “to drink”) + cyt- + -osis. The correct English form is pinocytosis, spelled P-I-N-O-C-Y-T-O-S-I-S.

Definition

  1. 1
    A form of endocytosis in which material enters a cell through its membrane and is incorporated in vesicles for digestion.

Etymology

From New Latin pīnocytōsis, from Ancient Greek πῑ́νω (pī́nō, “to drink”) + cyt- + -osis.

This word in other languages

Definitions, pronunciation, and etymology for this entry are drawn from Wiktionary via the kaikki.org structured extract (CC BY-SA). See the methodology for how each field is sourced and updated.

Frequently Asked Questions

How do you spell "pinocytosis"?
"pinocytosis" is spelled P-I-N-O-C-Y-T-O-S-I-S.
What does "pinocytosis" mean?
As a noun, "pinocytosis" means: A form of endocytosis in which material enters a cell through its membrane and is incorporated in vesicles for digestion.
What is the origin of the word "pinocytosis"?
From New Latin pīnocytōsis, from Ancient Greek πῑ́νω (pī́nō, “to drink”) + cyt- + -osis. See the full etymology section above for more details.
Is PlainSpell free to use?
Yes, PlainSpell is a completely free word reference. You can look up definitions, pronunciations, confusable pairs, homophones, and spelling corrections across 5 languages without any sign-up or subscription.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list