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
- zygosporic, adj.1906–
- zygostat, n.1623
- zygostatical, adj.1656
- zygostyle, n.1881–
- zygote, n.1891–
- zygotene, n.1911–
- zygotic, adj.1909–
- -zygotic, comb. form
- zygotically, adv.1915–
- zygotoblast, n.1899–
- zygotoid, n.1891–
- zygotomere, n.1899–
- -zygous, comb. form
- zygozoospore, n.1881–
- Zyklon, n.1939–
- zymad, n.1885–
- zymase, n.1875–
- zymate, n.1817–19
- zyme, n.1882–
- zymic, adj.1817–26
- zymin, n.1842–
Etymology
Meaning & use
Biology.
- 1891–A multinucleate form of zygote in certain fungi (see quot.).Stressed as zyˈgotoid.
- 1891
In apocytial fungi multinucleated masses of protoplasm (gametoids) may conjugate to form a zygotoid.
Nature 17 September 484/1
the world life biology biological processes procreation or reproduction reproductive substances or cells [nouns] zygote or syngamete- zygote1891–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…
- zygotoid1891–A multinucleate form of zygote in certain fungi (see quot.).
- syngametea1900–The cell produced by the fusion of two gametes in reproduction.
- ookinete1902–A zygote capable of autonomous movement, esp. as a stage in the life cycle of some parasitic protozoa.