Open Dictionary
mouse here to listen, click to choose/add more
Location: USA
Source: Learn That Word
Profile URL: www.learnthat.org

Are you a native English speaker? How do you pronounce this word?

Thank you for contributing!
upload mp3 file or record now it's easy, promised!

{%type%} Definitions

WordNet 3.0Copyright Princeton University
{%wordnet%}
Definitions.net
{%definitions_com%}

Videos

Short "hint"

n. - Extinct reptiles of the Permian to Jurassic considered ancestral to mammals.

edit
Usage examples (16)
  • As you know, the topic is "Synapsida," but I'm afraid we're limiting that somewhat.
  • Were we focus on the "Synapsida" in all its glory, we could potentially have such basal taxa as Ophiacodon right next to Mammuthus or Canis.
  • Amniota consists of and contains Synapsida and Sauropsida.
  • There's Synapsida by John McLoughlin, but it's a couple decades old by now....
...click for more
Tutoring comment


Tutoring comment not yet available...

add more
The Open Dictionary of English is a collaborative project, based on Open Source materials, LearnThat resources, and partner APIs.
We give special thanks to our LearnThat volunteers, as well as Princeton University and Wiktionary for their Open Source word data. We're also grateful for the support given by Google, Wordnik.com, Dictionary.com, Stands4.com and YouTube, OEDILF.com, Kylescholz.com, Best-Practice.com, Forvo.com, as well as the generous Creative Commons community.