Found in the following dictionaries
Enable (Words with friends)
SOWPODS (Collins Scrabble Words)
OTCWL2014 (NASPA Word List 2014)
TWL06 (NASPA List 2006)
SOWPODS (Collins Scrabble Words)
OTCWL2014 (NASPA Word List 2014)
TWL06 (NASPA List 2006)
"Tetrad" Definition
noun
A group or set of four.
Source: American Heritage Dictionary
A tetravalent atom, radical, or element.
Source: American Heritage Dictionary
Biology A four-part structure that forms during the prophase of meiosis and consists of two homologous chromosomes, each composed of two sister chromatids.
Source: American Heritage Dictionary
Botany Biology A group of four cells, as of spores or pollen grains, formed by division of one mother cell.
Source: American Heritage Dictionary
a group or arrangement of four as.
Source: Merriam-Webster
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