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trilobite

/ˈtɹaɪ.ləˌbaɪt/noun

trilobite is spelled T-R-I-L-O-B-I-T-E: 9 letters and 3 syllables. It appears about once in every 9 million words in written English, the 90,432nd most frequent word form (wordfreq, 2021 data). As a noun, trilobite means “An extinct arthropod of the class Trilobita, whose body had three large lobes” (English Wiktionary, September 2026). The plural of trilobite is trilobites.

How many letters and syllables are in trilobite?

Letters9: T-R-I-L-O-B-I-T-E
Syllables3 (from its pronunciation)
In writingabout once in every 9 million words; the 90,432nd most frequent word form
Wrong spellings searchednone measured in search

Sources: letters and syllables from the English Wiktionary's hyphenation or pronunciation; written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).

How common is trilobite?

Trilobite appears about once in every 9 million words in written English, the 90,432nd most frequent word form in the list.

Source: written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).

How do you pronounce trilobite?

  • US /ˈtɹaɪ.ləˌbaɪt/

Trilobite has 3 syllables (counted from the pronunciation).

Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract). Recordings: LL-Q1860_(eng)-Vealhurl-trilobite.wav, Wikimedia Commons (author and licence on each file's page).

Forms of trilobite

  • trilobites plural

Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).

What does trilobite mean?

The meanings the English Wiktionary records, quoted as written there (source below).

noun

  1. 1

    An extinct arthropod of the class Trilobita, whose body had three large lobes.

Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).

Trilobite in Spanish, French, German and Portuguese

In the sense member of the class Trilobita:

LanguageWords
Frenchtrilobite
GermanTrilobit
Portuguesetrilobita, trilobite, trilobito
Spanishtrilobite

Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract). Translations are Wiktionary's, by sense; a linked word has its own PlainSpell page.

Where does trilobite come from?

Borrowed from translingual Trilobita. By surface analysis, tri- (“three”) + lobe + -ite (“mineral, individual”), literally “three-lober”.

Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).

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