different between symmetric vs athetosis

English

Etymology

From Latin symmetria from Ancient Greek ????????? (summetría).

Pronunciation

• IPA^(key): /s??m?t??k/

Adjective

symmetric (comparative more symmetric, superlative most symmetric)

1. Symmetrical.
2. (set theory) Of a relation R on a set S, such that xRy if and only if yRx for all members x and y of S (that is, if the relation holds between any element and a second, it also holds between the second and the first).

   "Is a sibling of" is a symmetric relation.

3. (cryptography) Using the same key (or keys that are trivially related) for both encryption and decryption.

Related terms

• asymmetric
• symmetry

Translations

See also

• reflexive
• transitive

Anagrams

• mycterism

English

Etymology

From Ancient Greek ?????? (áthetos, “not fixed”), itself from ?????? (títh?mi).

Noun

athetosis (countable and uncountable, plural athetoses)

1. (medicine) A series of involuntary writhing movements of the limbs, typically bilateral and symmetric and predominantly affecting the distal parts of the limbs.

Derived terms

• athetoid
• athetosic

Translations

References

• Douglas Harper (2001–2021) , “athetosis”, in Online Etymology Dictionary
• ?????? in Liddell & Scott (1940) A Greek–English Lexicon, Oxford: Clarendon Press

Further reading

• athetosis at OneLook Dictionary Search
• athetosis on Wikipedia.Wikipedia

Anagrams

• thiasotes