zygotoid, n.

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

# zygotoidnoun

## Factsheet

### What does the noun zygotoid mean?

There is one meaning in OED's entry for the noun zygotoid. See ‘Meaning & use’ for definition, usage, and quotation evidence.

#### Entry status

OED is undergoing a continuous programme of revision to modernize and improve definitions. This entry has not yet been fully revised.

### Where does the noun zygotoid come from?

Earliest known use

1890s

The earliest known use of the noun zygotoid is in the 1890s.

OED's only evidence for zygotoid is from 1891, in Nature: a weekly journal of science.

### Nearby entries

1. zygosporic, adj. 1906–
2. zygostat, n. 1623
3. zygostatical, adj. 1656
4. zygostyle, n. 1881–
5. zygote, n. 1891–
6. zygotene, n. 1911–
7. zygotic, adj. 1909–
8. -zygotic, comb. form
9. zygotically, adv. 1915–
10. zygotoblast, n. 1899–
11. zygotoid, n.1891–
12. zygotomere, n. 1899–
13. -zygous, comb. form
14. zygozoospore, n. 1881–
15. Zyklon, n. 1939–
16. zymad, n. 1885–
17. zymase, n. 1875–
18. zymate, n. 1817–19
19. zyme, n. 1882–
20. zymic, adj. 1817–26
21. zymin, n. 1842–

## Etymology

‑oid suffix.

## Meaning & use

Biology.

1. 1891–
   A multinucleate form of zygote in certain fungi (see quot.).
   Stressed as zyˈgotoid.
   1. 1891

      > In apocytial fungi multinucleated masses of protoplasm (gametoids) may conjugate to form a zygotoid.

      Nature 17 September 484/1
   fungi physiology
   1. zygote 1891–
      A body of living protoplasm, as a cell or cell-nucleus, formed by the conjugation or fusion of two such bodies in reproduction; a zygospore, or any…
   2. zygotoid 1891–
      A multinucleate form of zygote in certain fungi (see quot.).
   3. syngamete a1900–
      The cell produced by the fusion of two gametes in reproduction.
   4. ookinete 1902–
      A zygote capable of autonomous movement, esp. as a stage in the life cycle of some parasitic protozoa.
   View in Historical Thesaurus

Originally published as part of the entry for zygote, n.

zygote, n. was first published in 1921; not fully revised.