zygo-, comb. form

zygo
http://www.oed.com/dictionary/zygo_combform%3Ftab%3Dmeaning_and_use
First published 1921; not fully revised

# zygo-combining form

## Earlier version

- zygo- in OED Second Edition (1989)

## Factsheet

### Nearby entries

1. zygaenid, n. & adj. 1913–
2. zygaenidan, n. 1837–
3. zygal, adj. 1886–
4. zygantrum, n. 1854–
5. zygapophysial, adj. 1870–
6. zygapophysis, n. 1854–
7. zygite, n. 1888–
8. zygnemaceous, adj.
9. zygnemid, n. 1887–
10. zygnomic, adj. 1926–
11. zygo-, comb. form
12. zygobranchiate, adj. 1883–
13. zygocactus, n. 1950–
14. zygocardiac, adj. 1877–
15. zygodactyl, adj. & n. 1831–
16. zygodactylic, adj. 1835–
17. zygodactylous, adj. 1828–
18. zygodont, adj. 1888–
19. zygogenesis, n. 1950–
20. zygology, n. 1970–
21. zygoma, n. 1684–

## Meaning & use

1. before a vowel usually zyg-, representing Greek ζυγο-, combining form of ζυγόν yoke; occurring in various scientific terms, of which the more important will be found in their alphabetical places. (In terms of Biology the prefix often refers to conjugation or zygosis as a method of reproduction: see conjugation n. 5.)
   1. zygocardiac, adj. 1877–
      Denoting an ossicle in the stomach of the…
   1. zygosperm, n. 1880–
      = zygospore, n.
   1. zygosphere, n. 1880–
      Either of the two conjugating cells or gametes…
   1. zygostyle, n. 1881–
      (See quot.).
   1. zygozoospore, n. 1881–
      A zoospore formed by conjugation; a motile zygospore.
   1. zygophyte, n. 1885–
      A plant which reproduces by conjugation.
   1. zygodont, adj. 1888–
      Having molar teeth with an even number of cusps…
   1. zygophiuran, adj. & n. 1892–
      Belonging to, or a member of, the division…
   1. zygospondyline, adj. 1892–
      Applied to those ophiuroids in which the arms are…
   1. zygopterid, n. & adj. 1900–
      A member of, or belonging to, the division…
   1. zygoneurous, adj. 1901–
      Applied to an arrangement of the nervous system…
   1. zygophore, n. 1904–
      A differentiated hypha in Zygomycetes that takes…
   1. zygophoric, adj. 1904–
   1. zygosome, n. 1905–
      = bivalent, adj. & n.
   1. zygonema, n. 1911–
      †a. A chromosome at zygotene; b. = zygotene, n…
   1. zygogenesis, n. 1950–
      Reproduction involving the formation of a zygote.
   1. zygogenetic, adj. 1950–
   1. zygomere, n. 1966–
      A site on a chromosome thought to be responsible…
   1. zygoneury, n.
      Zygoneurous condition.

## Pronunciation

Stress is usually determined by a subsequent element and vowels may be reduced accordingly.

## Compounds & derived words

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1. zygodactyl, adj. & n. 1831–
   Having the toes ‘yoked’ or arranged in pairs…

1. zygocardiac, adj. 1877–
   Denoting an ossicle in the stomach of the…

1. zoozygosphere, n. 1880–
   (In algae and fungi) a motile gamete; also called…

1. zygosperm, n. 1880–
   = zygospore, n.

1. zygosphere, n. 1880–
   Either of the two conjugating cells or gametes…

1. zygostyle, n. 1881–
   (See quot.).

1. zygozoospore, n. 1881–
   A zoospore formed by conjugation; a motile zygospore.

1. zygophyte, n. 1885–
   A plant which reproduces by conjugation.

1. zygodont, adj. 1888–
   Having molar teeth with an even number of cusps…

1. zygophiuran, adj. & n. 1892–
   Belonging to, or a member of, the division…

1. zygospondyline, adj. 1892–
   Applied to those ophiuroids in which the arms are…

1. zygopterid, n. & adj. 1900–
   A member of, or belonging to, the division…

1. zygoneurous, adj. 1901–
   Applied to an arrangement of the nervous system…

1. zygophore, n. 1904–
   A differentiated hypha in Zygomycetes that takes…

1. zygophoric, adj. 1904–

1. zygosome, n. 1905–
   = bivalent, adj. & n.

1. zygonema, n. 1911–
   †a. A chromosome at zygotene; b. = zygotene, n…

1. zygnomic, adj. 1926–
   In the terminology of A. Kocourek: ‘a jural…

1. zygogenesis, n. 1950–
   Reproduction involving the formation of a zygote.

1. zygogenetic, adj. 1950–

1. zygomere, n. 1966–
   A site on a chromosome thought to be responsible…

1. zygology, n. 1970–
   The branch of technology concerned with joining…

1. zygoneury, n.
   Zygoneurous condition.

zygo-, comb. form was first published in 1921; not fully revised.

zygo-, comb. form was last modified in December 2023.