ectoblast

noun

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

The verdict

“ectoblast” is uncommon English (outside the top frequency list), classed as a noun. The kind of spelling people second-guess.

Unranked
below top-frequency English
9
letters

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - The outer layer of the blastoderm; the ectoderm or epiblast.

Corpus desk

Index EN-ectoblast · ectoblast · English

ectoblast · unranked · 0 variants · 0 confusables

  • FREQ-UNRANKED Unranked
  • LEN-LONG 9 letters
  • VOW-3 3 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-THIN "E" thin
  • PHOTO-UNK Peer pending

Read with this headword: Spelling guide for this pattern

Desk codes from Wiktionary headword shape, FrequencyWords rank tier, confusable-pair count, generated misspelling depth, letter-cohort book size, and photo-finish peer. Not a difficulty grade.

Key facts for ectoblast
PropertyValue
Headwordectoblast
LanguageEnglish
Part of speechNoun
Letters9
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “ectoblast” in English

ectoblastranks outside the top 100,000 English headwords, in the long tail of specialist, archaic, or seldom-used vocabulary, exactly the territory where a reader stops mid-sentence to double-check spelling.

Beyond rank #100,000. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

ectoblast is uncommon English outside the top frequency list, classed as anoun. Rarity is why readers land here mid-draft. Gloss: "The outer layer of the blastoderm; the ectoderm or epiblast.".

No generated misspelling entries exist for ectoblast in our index, a straightforward case of a spelling with little room for common typos. No close-neighbour confusable shows up for this headword in our dataset, since its spelling is unusual enough that it doesn't cluster with a lookalike.

Etymologically, the entry records: From ecto- + -blast. The correct English form is ectoblast, spelled E-C-T-O-B-L-A-S-T.

Definition

  1. 1
    The outer layer of the blastoderm; the ectoderm or epiblast.

Etymology

From ecto- + -blast.

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). See the methodology for how each field is sourced and updated.

Frequently Asked Questions

How do you spell "ectoblast"?
"ectoblast" is spelled E-C-T-O-B-L-A-S-T.
What does "ectoblast" mean?
As a noun, "ectoblast" means: The outer layer of the blastoderm; the ectoderm or epiblast.
What is the origin of the word "ectoblast"?
From ecto- + -blast. 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.

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

Source: FrequencyWords open word-frequency list