negentropy
/ˌnɛɡˈɛntɹɒpi/
"negentropy" is a 10-letter English headword indexed on PlainSpell.
The verdict
“negentropy” is outside the top-ranked English vocabulary, used as a noun - the kind of word writers most often double-check.
- Unranked
- below top-frequency English
- 10
- letters
According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - The difference between the entropy of a system and the maximum possible entropy of the same system.
| Property | Value |
|---|---|
| Headword | negentropy |
| Language | English |
| Part of speech | Noun |
| IPA | /ˌnɛɡˈɛntɹɒpi/ |
| Letters | 10 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Where “negentropy” sits in English frequency
Spelling & Dictionary Insight
The English entry for negentropy is 10 letters long, classified as a noun, and transcribed in the International Phonetic Alphabet as /ˌnɛɡˈɛntɹɒpi/. It sits outside the most-frequent rank tiers, which is often why uncommon words generate more spelling variants per reader. Wiktionary records 2 distinct senses for this headword, so context determines which meaning a reader should apply.
The misspelling generator found no plausible variants for negentropy, typically a sign the spelling maps closely to how the word sounds. Our confusable-pair dataset has no match for it, suggesting its spelling stands apart enough that readers rarely confuse it with something else.
Etymologically, the entry records: From nega- + entropy. A blend of negative + entropy, coined by the French physicist Léon Brillouin (1889–1969). The term negative entropy was introduced by the Austrian physicist Erwin Schrödinger (1887–1961) in his book What is Life? (1944, based on lectur… The correct English form is negentropy, spelled N-E-G-E-N-T-R-O-P-Y.
Definition
- 1The difference between the entropy of a system and the maximum possible entropy of the same system.
- 2The difference between the entropy of a probability distribution and the maximum possible entropy of the same probability distribution.
Etymology
From nega- + entropy. A blend of negative + entropy, coined by the French physicist Léon Brillouin (1889–1969). The term negative entropy was introduced by the Austrian physicist Erwin Schrödinger (1887–1961) in his book What is Life? (1944, based on lectures delivered in February 1943).
Synonyms
Antonyms
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
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Using “negentropy”
The practical upshot for anyone who landed here from a spell-check.
- The one correct English spelling is N-E-G-E-N-T-R-O-P-Y - every other letter order is a misspelling in standard orthography.
- Say it as /ˌnɛɡˈɛntɹɒpi/ (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
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.