tetrad

play
noun tet·rad \ˈte-ˌtrad\

Definition of tetrad

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

tetradic

play \te-ˈtra-dik\ adjective

Origin and Etymology of tetrad

Greek tetrad-, tetras, from tetra-


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 sporesc:  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


Seen and Heard

What made you want to look up tetrad? Please tell us where you read or heard it (including the quote, if possible).

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

WORD OF THE DAY

to become worse as time passes

Get Word of the Day daily email!

Test Your Vocabulary

The Emoji Quiz

  • emoji-the-quiz
  • What phase of the moon is this: 🌖 ?
True or False

Test your knowledge - and maybe learn something along the way.

TAKE THE QUIZ
SCRABBLE® Sprint

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!