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tetrad

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noun tet·rad \ˈte-ˌtrad\

Definition of tetrad

  1. :  a group or arrangement of four: asa :  a group of four cells produced by the successive divisions of a mother cell <a tetrad of spores>b :  a group of four synapsed chromatids that become visibly evident in the pachytene stage of meiotic prophase

tetradic play \te-ˈtra-dik\ adjective


Origin of tetrad

Greek tetrad-, tetras, from tetra-


First Known Use: 1653


Medical Dictionary

tetrad

play
noun tet·rad \ˈte-ˌtrad\

Medical Definition of tetrad

  1. :  a group or arrangement of four: asa:  a tetravalent element, atom, or radicalb:  a group of four cells arranged usually in the form of a tetrahedron and produced by the successive divisions of a mother cell <a tetrad of spores>c:  a group of four synapsed chromatids that become visibly evident in the pachytene stage of meiotic prophase and are produced by the longitudinal splitting of each of two paired homologous chromosomes




Learn More about tetrad

  1. Medical Dictionary: Definition of "tetrad"


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