stroma

/ˈstɹəʊ̯.mə/

//ˈstɹəʊ̯.mə// noun

"stroma" is a 6-letter English headword indexed on PlainSpell.

The verdict

“stroma” is uncommon English (frequency #70,300 among 54,294 “S” headwords), classed as a noun. The kind of spelling people second-guess.

#70,300
frequency rank, English
54,294
“S” headwords

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - The tissue structure of an organ, etc., that serves to support it.

Key facts for stroma
PropertyValue
Headwordstroma
LanguageEnglish
Part of speechNoun
IPA/ˈstɹəʊ̯.mə/
Letters6
Frequency rank#70,300
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Where “stroma” 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). stroma 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

stroma is uncommon English at frequency #70,300 among 54,294 “S” headwords, classed as anoun, transcribed /ˈstɹəʊ̯.mə/. Rarity is why readers land here mid-draft. Gloss: "The tissue structure of an organ, etc., that serves to support it.".

We couldn't generate a plausible misspelling set for stroma, since its letter pattern doesn't lend itself to common typo substitutions. No close-neighbour confusable shows up for this headword in our dataset, since no other headword is close enough in sound or shape to pair with it.

Etymologically, the entry records: From Latin strōma (“mattress, bed covering”), from Ancient Greek στρῶμα (strôma, “bed”), from στόρνυμι (stórnumi, “to stretch out”). The correct English form is stroma, spelled S-T-R-O-M-A.

Definition

  1. 1
    The tissue structure of an organ, etc., that serves to support it.

Etymology

From Latin strōma (“mattress, bed covering”), from Ancient Greek στρῶμα (strôma, “bed”), from στόρνυμι (stórnumi, “to stretch out”).

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); 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 "stroma"?
"stroma" is spelled S-T-R-O-M-A. The IPA pronunciation is /ˈstɹəʊ̯.mə/.
What does "stroma" mean?
As a noun, "stroma" means: The tissue structure of an organ, etc., that serves to support it.
How do you pronounce "stroma"?
The IPA (International Phonetic Alphabet) transcription for "stroma" is /ˈstɹəʊ̯.mə/. 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 "stroma"?
From Latin strōma (“mattress, bed covering”), from Ancient Greek στρῶμα (strôma, “bed”), from στόρνυμι (stórnumi, “to stretch out”). 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 “stroma”

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

  • The one correct English spelling is S-T-R-O-M-A - every other letter order is a misspelling in standard orthography.
  • Say it as /ˈstɹəʊ̯.mə/ (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.

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

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