[Elamur Dictionary](https://md.dictionary.elamur.ai/free/en/) · [this page in HTML](https://dictionary.elamur.ai/free/en/english/tetrad/)

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# tetrad

noun

«tetrad» in the English dictionary: in Jewish tradition — its meanings, how the lessons use it, and examples, each with its tree on Mova.

## In Jewish tradition

Interpretation: Writers on Sefer Yetzirah connect the four with the four elements, and the ancient Pythagoreans thought it a perfect number.

### Meaning

A group of four things. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/judaism/T/tetrad/#m1)

### Examples

- Note the subdivision of the Decad into the Tetrad — four elements ; and the Hexad — six dimensions of space. (Sefer Yetzirah, Westcott 1893) [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/judaism/T/tetrad/#x1)
- The Tetrad, Tctractys, (jualer- nian number, is the most peit'ect. (Mordell, The Origin of Letters and Numerals according to Sefer Yetzirah (1914)) [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/judaism/T/tetrad/#x2)

### Note

A record of the Judaism dictionary, written from the corpus.

## On Mova

- [Trees and pragmatics of «tetrad» in the Judaism dictionary](https://mova.elamur.ai/free/en/corpora/dictionaries/judaism/T/tetrad/): every meaning and example parsed by Mova, with its dependency tree and frames.
- [«tetrad» in the Judaism dictionary](https://mova.elamur.ai/free/en/dictionaries/judaism/w/tetrad.html) on Mova free.