What is the definition of Mesozoic? | Dictionary.net

MESOZOIC

\mˈɛsəzˌə͡ʊɪk], \mˈɛsəzˌə‍ʊɪk], \m_ˈɛ_s_ə_z_ˌəʊ_ɪ_k]\

Definitions of MESOZOIC

2011 - English Dictionary Database
2006 - WordNet 3.0
1913 - Webster's Revised Unabridged Dictionary
1874 - Etymological and pronouncing dictionary of the English language
1920 - A dictionary of scientific terms.

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from 63 million to 230 million years ago

2011 - English Dictionary Database
By DataStellar Co., Ltd

from 230 million to 63 million years ago

2006 - WordNet 3.0
By Princeton University

The age or formation.

1913 - Webster's Revised Unabridged Dictionary
By Noah Webster.

In geol., the great division of the stratified formations, holding the middle forms of life, as differing from the Palaeozoic and Cainozoic.

1874 - Etymological and pronouncing dictionary of the English language
By Stormonth, James, Phelp, P. H.

The middle or secondary group of rock-systems.

1920 - A dictionary of scientific terms.
By Henderson, I. F.; Henderson, W. D.

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