different between extraction vs cyclotomy

English

Etymology

From Old French estraction, from Medieval Latin extractio

Pronunciation

• IPA^(key): /?k?st?æk??n/
• Rhymes: -æk??n

Noun

extraction (countable and uncountable, plural extractions)

1. An act of extracting or the condition of being extracted.
2. A person's origin or ancestry.
   • 2014, Larissa Remennick, Russian Israelis: Social Mobility, Politics and Culture, Routledge ?ISBN, page 144

     Our companion on these tours was a young tourist, an American of Russian extraction, whose questions and remarks drew our attention to some details of Haifa life that have become too familiar and would have otherwise passed unnoticed. ...

3. Something extracted, an extract, as from a plant or an organ of an animal etc.
4. (military) An act of removing someone from a hostile area to a secure location.
5. (dentistry) A removal of a tooth from its socket.

Synonyms

• (origin, ancestry): descent, lineage
• (something extracted): extract, reduction; See also Thesaurus:decrement

Translations

Anagrams

• tetraxonic

French

Pronunciation

Noun

extraction f (plural extractions)

1. extraction

Further reading

• “extraction” in Trésor de la langue française informatisé (The Digitized Treasury of the French Language).

English

Etymology

cyclo- +? -tomy

Noun

cyclotomy (countable and uncountable, plural cyclotomies)

1. (medicine) surgical removal of the ciliary muscle
2. (mathematics) the historical problems of dividing the circle into a given number of equal segments, and of constructing regular polygons
3. (mathematics) the analytical extraction of the complex roots of unity; a de Moivre number