noun
tetrad
Tetrad (noun) means a set of four things.
noun
1
A set of four things.
"Religious movements and cults are often founded on a tetrad of elements: a prophet, a prophecy, a book, and a revelation."
— Siddhartha Mukherjee, The Emperor of All Maladies (2010)
2
In meiosis, two paired sets of sister chromatids lined up together, often along the equatorial plane.
3
A cluster of four young, haploid pollen grains arranged in a pyramid shape, formed during meiotic microsporogenesis.
4
A measurement of land covering a two-kilometre by two-kilometre square, an area of four square kilometres.
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Etymology
Comes from Ancient Greek τετράς (tetrás), which can be broken down as tetra- + -ad.
Related words
Frequently asked questions
What is the meaning of tetrad?
"tetrad" (noun) means a set of four things.
What is another word for tetrad?
Other words for "tetrad" include quaternary, quadruplet, quaternity, quaternion, quatern, IV.
What are the different meanings of tetrad?
"tetrad" has 3 main meanings: 1. A set of four things; 2. In meiosis, two paired sets of sister chromatids lined up together, often along the equatorial plane; 3. A cluster of four young, haploid pollen grains arranged in a pyramid shape, formed during meiotic microsporogenesis.
