ósmosis

[ˈosmosis]

/[ˈosmosis]/ noun

By · According to Wiktionary data (CC BY-SA) ·

The verdict

“ósmosis” is uncommon Spanish (frequency #67,403 among 101 “Ó” headwords), classed as a noun. The kind of spelling people second-guess.

#67,403
frequency rank, Spanish
101
“Ó” headwords

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Fenómeno que consiste en el paso recíproco de líquidos de distinta densidad a través de una membrana semipermeable que los separa

Key facts for ósmosis
PropertyValue
Headwordósmosis
LanguageSpanish
Part of speechNoun
IPA[ˈosmosis]
Letters7
Frequency rank#67,403
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Where “ósmosis” sits in Spanish frequency

Every-word frequency runs from the handful of words we use constantly (left) to the long tail used once in a blue moon (right). ósmosis lands here:

#1#100#1K#10K#100K
← used constantlyrarely used →

Scale is logarithmic (each tick is 10× rarer). Source: FrequencyWords open word-frequency list.

Rare enough to double-check

ósmosis is uncommon Spanish at frequency #67,403 among 101 “Ó” headwords, classed as anoun, transcribed [ˈosmosis]. Rarity is why readers land here mid-draft. 2 senses are on record.

We couldn't generate a plausible misspelling set for ósmosis, a sign its spelling follows regular Spanish conventions. It is not paired with a close-neighbour confusable in our dataset, since nothing in our dataset looks or sounds close enough to cause mix-ups.

This entry carries no recorded etymology, so spelling patterns must be inferred from the word's phoneme-to-grapheme mapping rather than from a documented borrowing chain. The correct Spanish form is ósmosis, spelled Ó-S-M-O-S-I-S.

Definition

  1. 1
    Fenómeno que consiste en el paso recíproco de líquidos de distinta densidad a través de una membrana semipermeable que los separa
  2. 2
    Influencia mutua .

Definitions, pronunciation, and etymology for this entry are drawn from Wiktionary via the kaikki.org structured extract (CC BY-SA); frequency ordering uses the FrequencyWords open word-frequency list (2018 Spanish corpus, MIT). See the methodology for how each field is sourced and updated.

Frequently Asked Questions

How do you spell "ósmosis"?
"ósmosis" is spelled Ó-S-M-O-S-I-S. The IPA pronunciation is [ˈosmosis].
What does "ósmosis" mean?
As a noun, "ósmosis" means: Fenómeno que consiste en el paso recíproco de líquidos de distinta densidad a través de una membrana semipermeable que los separa
How do you pronounce "ósmosis"?
The IPA (International Phonetic Alphabet) transcription for "ósmosis" is [ˈosmosis]. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What language does "ósmosis" come from?
"ósmosis" is a Spanish word. You can look up definitions, pronunciations, and spelling data for this and other words across English, Spanish, Portuguese, French, and German on PlainSpell.
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.

Using “ósmosis”

The practical upshot for anyone who landed here from a spell-check.

  • The one correct Spanish spelling is Ó-S-M-O-S-I-S - every other letter order is a misspelling in standard orthography.
  • Say it as [ˈosmosis] (IPA); tap the speaker on the pronunciation badge to hear it where audio exists.
  • Browse more Spanish words and confusable pairs in the same reference. Spanish words

Other uncommon Spanish words near this rank

Data Source

Wiktionary (via kaikki.org), licensed under CC BY-SA & GFDL. Word ordering uses an open word-frequency list; misspelling variants are generated by edit-distance from the correct headword.

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

Source: FrequencyWords open word-frequency list FrequencyWords open word-frequency list