fish-like vertebrate with bony plates on head and upper body; dominant in seas and rivers during the Devonian; considered the earliest vertebrate with jaws
DISCLAIMER: These example sentences appear in various news sources and books to reflect the usage of the word ‘placoderm'.
Views expressed in the examples do not represent the opinion of gold-punch.com or its editors.
Send us feedback
Word Family
2 million people are mastering new words.Master a word
Sign up now (it’s free!)
Whether you’re a teacher or a learner 一分钟极速历史开奖直播, gold-punch.com can put you or your class on the path to systematic vocabulary improvement.