isotropic

adj

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

"isotropic" is a 9-letter English headword indexed on PlainSpell.

The verdict

“isotropic” is uncommon English (frequency #53,028 among 17,902 “I” headwords), classed as an adjective. The kind of spelling people second-guess.

#53,028
frequency rank, English
17,902
“I” headwords

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Having properties that are identical in all directions; exhibiting isotropy

Key facts for isotropic
PropertyValue
Headwordisotropic
LanguageEnglish
Part of speechAdjective
Letters9
Frequency rank#53,028
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Where “isotropic” 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). isotropic 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

isotropic is uncommon English at frequency #53,028 among 17,902 “I” headwords, classed as anadjective. Rarity is why readers land here mid-draft. 2 senses are on record.

The misspelling generator found no plausible variants for isotropic, since its letter sequence doesn't invite the usual edit-distance slips. It is not paired with a close-neighbour confusable in our dataset, since no other headword is close enough in sound or shape to pair with it.

Etymologically, the entry records: From iso- + -tropic, from Ancient Greek ἴσος (ísos, “equal”) + τροπικός (tropikós, “of or pertaining to a turn or change; or the solstice; or a trope or figure; tropic; tropical; etc.”). The correct English form is isotropic, spelled I-S-O-T-R-O-P-I-C.

Definition

  1. 1
    Having properties that are identical in all directions; exhibiting isotropy
  2. 2
    Having the same components in all rotated coordinate systems

Etymology

From iso- + -tropic, from Ancient Greek ἴσος (ísos, “equal”) + τροπικός (tropikós, “of or pertaining to a turn or change; or the solstice; or a trope or figure; tropic; tropical; etc.”).

Antonyms

anisotropic

This word in other languages

isotrópico(Español)isotrope(Français)isotrop(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 "isotropic"?
"isotropic" is spelled I-S-O-T-R-O-P-I-C.
What does "isotropic" mean?
As an adjective, "isotropic" means: Having properties that are identical in all directions; exhibiting isotropy
What is the origin of the word "isotropic"?
From iso- + -tropic, from Ancient Greek ἴσος (ísos, “equal”) + τροπικός (tropikós, “of or pertaining to a turn or change; or the solstice; or a trope or figure; tropic; tropical; etc.”). 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 “isotropic”

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

  • The one correct English spelling is I-S-O-T-R-O-P-I-C - every other letter order is a misspelling in standard orthography.
  • 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.

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

Source: FrequencyWords open word-frequency list