zymad, n.

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

# zymadnoun

## Earlier version

- zymad in OED Second Edition (1989)

## Factsheet

### What does the noun zymad mean?

There is one meaning in OED's entry for the noun zymad. 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.

### How is the noun zymad pronounced?

#### British English

/ˈzʌɪmad/

### Where does the noun zymad come from?

Earliest known use

1880s

The earliest known use of the noun zymad is in the 1880s.

OED's earliest evidence for zymad is from 1885, in Leisure Hour.

zymad is a borrowing from Greek, combined with an English element.

Etymons: Greek ζύμη, ‑ad suffix1.

### Nearby entries

1. zygotene, n. 1911–
2. zygotic, adj. 1909–
3. -zygotic, comb. form
4. zygotically, adv. 1915–
5. zygotoblast, n. 1899–
6. zygotoid, n. 1891–
7. zygotomere, n. 1899–
8. -zygous, comb. form
9. zygozoospore, n. 1881–
10. Zyklon, n. 1939–
11. zymad, n.1885–
12. zymase, n. 1875–
13. zymate, n. 1817–19
14. zyme, n. 1882–
15. zymic, adj. 1817–26
16. zymin, n. 1842–
17. zyminized, adj. 1888–
18. zymo-, comb. form
19. zymocyte, n. a1909–
20. zymodeme, n. 1978–
21. zymogen, n. 1877–

## Etymology

### Summary

A borrowing from Greek, combined with an English element.
Etymons: Greek ζύμη, ‑ad suffix1.
< Greek ζύμη leaven + ‑ad suffix1, after monad.

## Meaning & use

1. 1885–
   A micro-organism which produces zymotic disease.
   1. 1885

      > The cook..exorcises zymads and parasites.

      Leisure Hour January 25/2
   2. 1913
      in W. A. N. Dorland, Medical Dictionary
   microbiology
   1. rock-builder 1838–
      Any of various marine organisms which contribute to the formation of limestones and other sedimentary rocks, typically by the accumulation or…
   2. aerobian 1865–81
      = aerobe, n. Obsolete. rare.
   3. anaerobian 1865–1900
      = anaerobe, n. Obsolete. rare.
   4. microzyme 1870–
      = microzyma, n. Also: a bacterium.
   5. mycetes 1874–
      With plural agreement. Originally: fungi and bacteria (considered as a division of the vegetable kingdom). Now: spec. fungi, esp. microscopic…
   6. pathogen 1880–
      A microorganism that causes disease. Also figurative.
   7. zooxanthella 1882–
      Any of various typically yellow-brown photosynthetic dinoflagellates (formerly grouped in the genus Zooxanthella) which frequently live as symbionts…
   8. aerobe 1883–
      An organism, esp. a microorganism, that has the ability to live in the presence of oxygen. Cf. earlier aerobian, n.
   9. anaerobe 1883–
      An organism, esp. a microorganism, that has the ability to live in the absence of oxygen. Cf. earlier anaerobian, n.
   10. zymad 1885–
       A micro-organism which produces zymotic disease.
   11. pathogerm 1897–
       A pathogenic microorganism.
   12. phytoflagellate 1902–
       A flagellate (protist) belonging to any of several groups of unicellular organisms whose members typically possess one or more flagella and have…
   13. filter-passer 1906–
       A substance or organism capable of passing through a filter; spec. a filterable virus.
   14. aerophile 1907–
       An aerobe; spec. one that exhibits optimal growth at an oxygen concentration equal to or greater than that of the air (approximately 20%). Cf. micr…
   15. zymocyte a1909–
       A unicellular organism which produces fermentation.
   16. fermenter 1918–
       An organism that causes fermentation.
   17. phytopathogen 1918–
       A microorganism which produces disease in plants.
   18. phytomonad 1926–
       A phytoflagellate belonging to the order Phytomonadina.
   19. pleuropneumonia-like organism 1935–
       Only in pleuropneumonia-like organism n.: a mycoplasma; abbreviation PPLO.
   20. phototroph 1941–
       A phototrophic organism.
   21. mycoplasma 1955–
       Any microorganism of the genus Mycoplasma, comprising very small pleomorphic prokaryotes which are bounded by a trilaminar membrane and lack a…
   22. prokaryote 1963–
       A prokaryotic organism. Contrasted with eukaryote.
   23. mycoplasm 1964–
       = mycoplasma, n. 2.
   24. serovar 1973–
       An antigenically distinct strain of a microorganism; = serotype, n.; (also) a subdivision of a species or subspecies comprising such strains.
   25. spiroplasma 1973–
       Any of a group of pathogenic prokaryotes lacking a cell wall and related to the mycoplasmas, but characterized by their helical structure and…
   26. prokaryon 1975–
       = prokaryote, n. (rare). Also (in plural, in form Prokarya): a taxonomic group comprising the prokaryotes, coextensive with Prokaryota.
   27. ureaplasma 1975–
       A micro-organism of the genus Ureaplasma, formerly included within the genus Mycoplasma (cf. mycoplasma, n.), which is characterized by the…
   View in Historical Thesaurus

## Pronunciation

### British English

/ˈzʌɪmad/

####

##### Consonants

- ppea
- ttea
- kkey
- bbuy
- ddye
- ɡguy
- tʃchore
- dʒjay
- ffore
- θthaw
- ssore
- ʃshore
- vvee
- ðthee
- zzee
- ʒbeige
- xloch
- hhay
- llay
- ɬrhingyll
- rray
- wway
- jyore
- mmay
- nnay
- ŋsing

Some consonants can take the function of the vowel in unstressed syllables. Where necessary, a syllabic marker diacritic is used, hence /ˈpɛtl/ but /ˈpɛtl̩i/.

##### Vowels

- iːfleece
- ihappy
- ɪkit
- ɛdress
- atrap, bath
- ɑːstart, palm, bath
- ɒlot
- ɔːthought, force
- ʌstrut
- ʊfoot
- uːgoose
- əletter
- əːnurse
- ɪənear
- ɛːsquare
- ʊəcure
- eɪface
- ʌɪpride
- aʊmouth
- əʊgoat
- ɔɪvoice
- ãgratin
- ɒ̃salon
- ᵻ(/ɪ/-/ə/)
- ᵿ(/ʊ/-/ə/)

##### Other symbols

- The symbol ˈ at the beginning of a syllable indicates that that syllable is pronounced with primary stress.
- The symbol ˌ at the beginning of a syllable indicates that that syllable is pronounced with secondary stress.
- Round brackets ( ) in a transcription indicate that the symbol within the brackets is optional.

View the pronunciation model here.

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

zymad, n. was last modified in December 2024.