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ostracoderm

os·tra·co·derm
O o

Transcription

    • US Pronunciation
    • US IPA
    • [os-truh-koh-durm]
    • /ˈɒs trə koʊˌdɜrm/
    • US Pronunciation
    • US IPA
    • [os-truh-koh-durm]
    • /ˈɒs trə koʊˌdɜrm/

Definitions of ostracoderm word

  • noun ostracoderm any of several extinct jawless fishes of the Ordovician, Silurian, and Devonian periods, having the body enclosed in an armor of bony plates. 1
  • noun ostracoderm An extinct jawless fish of the Cambrian to Devonian periods, having a heavily armored body. 1
  • noun ostracoderm any extinct Palaeozoic fishlike jawless vertebrate of the group Ostracodermi, characterized by a heavily armoured body 0

Information block about the term

Origin of ostracoderm

First appearance:

before 1890
One of the 20% newest English words
1890-95; < New Latin Ostracodermi, plural ofOstracodermus < Greek ostrakódermos with a shell, equivalent to óstrako(n) shell, tile + -dermos -derm

Historical Comparancy

Parts of speech for Ostracoderm

noun
adjective
verb
adverb
pronoun
preposition
conjunction
determiner
exclamation

ostracoderm popularity

A pretty common term. Usually people know it’s meaning, but prefer to use a more spread out synonym. About 47% of English native speakers know the meaning and use word.
According to our data most of word are more popular. This word is almost not used. It has a much more popular synonym.

ostracoderm usage trend in Literature

This diagram is provided by Google Ngram Viewer

See also

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