Associations to the word «Heterostracan»
Adjective
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Wiktionary
HETEROSTRACAN, noun. Any of the Heterostraci, an extinct class of jawless vertebrates that lived primarily in marine and estuary environments.
Dictionary definition
HETEROSTRACAN, noun. Extinct jawless fish with the anterior part of the body covered with bony plates; of the Silurian and Devonian.
Wise words
Language is a process of free creation; its laws and
principles are fixed, but the manner in which the principles
of generation are used is free and infinitely varied. Even
the interpretation and use of words involves a process of
free creation.