passivation

Name: passivation, English Word Data
Creator: Wiktionary
License: https://creativecommons.org/licenses/by-sa/4.0/

/ˌpæsəˈveɪʃən/

//ˌpæsəˈveɪʃən// noun

By PlainSpell · According to Wiktionary data (CC BY-SA) · analyzed May 6, 2026

The verdict

“passivation” is uncommon English (frequency #86,616 among 46,516 “P” headwords), classed as a noun. The kind of spelling people second-guess.

#86,616
frequency rank, English: 46,516
“P” headwords

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - The process of making a material passive (non-reactive) in relation to another material prior to using the materials together.

Key facts for passivation
Property	Value
Headword	passivation
Language	English
Part of speech	Noun
IPA	/ˌpæsəˈveɪʃən/
Letters	11
Frequency rank	#86,616
Misspellings tracked	0
Confusable pairs	0
Source	Wiktionary (kaikki.org)

Where “passivation” sits in English 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). passivation lands here:

#86,616

#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

passivation is uncommon English at frequency #86,616 among 46,516 “P” headwords, classed as anoun, transcribed /ˌpæsəˈveɪʃən/. Rarity is why readers land here mid-draft. 3 senses are on record.

We couldn't generate a plausible misspelling set for passivation, which points to an orthography that plays by predictable English rules. Our confusable-pair dataset has no match for it, since its spelling is unusual enough that it doesn't cluster with a lookalike.

Etymologically, the entry records: From passive + -ation. The correct English form is passivation, spelled P-A-S-S-I-V-A-T-I-O-N.

Definition

1
The process of making a material passive (non-reactive) in relation to another material prior to using the materials together.
2
The spontaneous formation of a hard non-reactive surface film (usually an oxide or nitride) that inhibits further corrosion.
3
Conversion of a non-passive dynamical system into a passive one.

Etymology

From passive + -ation.

This word in other languages

Passivierung(Deutsch)

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 English corpus, MIT). See the methodology for how each field is sourced and updated.

Frequently Asked Questions

How do you spell "passivation"?

"passivation" is spelled P-A-S-S-I-V-A-T-I-O-N. The IPA pronunciation is /ˌpæsəˈveɪʃən/.

What does "passivation" mean?

As a noun, "passivation" means: The process of making a material passive (non-reactive) in relation to another material prior to using the materials together.

How do you pronounce "passivation"?

The IPA (International Phonetic Alphabet) transcription for "passivation" is /ˌpæsəˈveɪʃən/. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.

What is the origin of the word "passivation"?

From passive + -ation. 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.

Using “passivation”

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

The one correct English spelling is P-A-S-S-I-V-A-T-I-O-N - every other letter order is a misspelling in standard orthography.
Say it as /ˌpæsəˈveɪʃən/ (IPA); tap the speaker on the pronunciation badge to hear it where audio exists.
Browse more English words and confusable pairs in the same reference. English words

Other uncommon English 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.