telencephalon

/ˌtɛlənˈsɛfələn/

//ˌtɛlənˈsɛfələn// noun

"telencephalon" is a 13-letter English headword indexed on PlainSpell.

The verdict

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

Unranked
below top-frequency English
13
letters

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - The anterior part of the forebrain; the endbrain.

Corpus desk

Index EN-telencephalon · telencephalon · English

telencephalon · unranked · 0 variants · 0 confusables

  • FREQ-UNRANKED Unranked
  • LEN-MEGA 13 letters
  • VOW-5 5 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-THIN "T" 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 telencephalon
PropertyValue
Headwordtelencephalon
LanguageEnglish
Part of speechNoun
IPA/ˌtɛlənˈsɛfələn/
Letters13
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “telencephalon” in English

telencephalonsits beyond the 100,000 most-frequent English words, in the long tail of technical, archaic, or otherwise rare vocabulary where spelling doubt tends to strike hardest.

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

Rare enough to double-check

telencephalon is uncommon English outside the top frequency list, classed as anoun, transcribed /ˌtɛlənˈsɛfələn/. Rarity is why readers land here mid-draft. Gloss: "The anterior part of the forebrain; the endbrain.".

telencephalon has no tracked misspelling variants, and the word's spelling is regular enough that our generator found nothing worth flagging. This entry stands alone in our confusable dataset, since no other headword is close enough in sound or shape to pair with it.

Etymologically, the entry records: From tele-, prevocalic form of teleo- + encephalon. The correct English form is telencephalon, spelled T-E-L-E-N-C-E-P-H-A-L-O-N.

Definition

  1. 1
    The anterior part of the forebrain; the endbrain.

Etymology

From tele-, prevocalic form of teleo- + encephalon.

Synonyms

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 "telencephalon"?
"telencephalon" is spelled T-E-L-E-N-C-E-P-H-A-L-O-N. The IPA pronunciation is /ˌtɛlənˈsɛfələn/.
What does "telencephalon" mean?
As a noun, "telencephalon" means: The anterior part of the forebrain; the endbrain.
How do you pronounce "telencephalon"?
The IPA (International Phonetic Alphabet) transcription for "telencephalon" is /ˌtɛlənˈsɛfələn/. 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 "telencephalon"?
From tele-, prevocalic form of teleo- + encephalon. 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