Meaning of the word tetrad in English

What does tetrad mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

tetrad

US /ˈtet.ræd/
UK /ˈtet.ræd/

Noun

1.

a group or set of four

Example:
The ancient philosophers often discussed concepts in terms of a tetrad.
A tetrad of elements is often used in certain chemical reactions.
2.

(in biology) a group of four chromatids formed by synapsis of homologous chromosomes during meiosis

Example:
During prophase I of meiosis, homologous chromosomes pair up to form a tetrad.
The formation of a tetrad is crucial for genetic recombination.