zygosomenoun
Factsheet
What does the noun zygosome mean?
There is one meaning in OED's entry for the noun zygosome. 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 zygosome pronounced?
British English
U.S. English
Where does the noun zygosome come from?
Earliest known use
1900s
The earliest known use of the noun zygosome is in the 1900s.
OED's earliest evidence for zygosome is from 1905, in Annals of Botany.
Nearby entries
- zygonema, n.1911–
- zygoneurous, adj.1901–
- zygophiuran, adj. & n.1892–
- zygophore, n.1904–
- zygophyllaceous, adj.1887–
- zygophyte, n.1885–
- zygopleura, n.1883–
- zygopterid, n. & adj.1900–
- zygosis, n.1880–
- zygosity, n.1952–
- zygosome, n.1905–
- zygosperm, n.1880–
- zygosphenal, adj.1854–
- zygosphene, n.1854–
- zygosphere, n.1880–
- zygospondyline, adj.1892–
- zygospore, n.1864–
- zygosporic, adj.1906–
- zygostat, n.1623
- zygostatical, adj.1656
- zygostyle, n.1881–
Etymology
Meaning & use
- 1905–
- 1905
A similar operation of the law of chance has been suggested by Strasburger ('04) in the separation of the chromatin granules as a result of the division of the ‘zygosome’.
Annals of Botany vol. 19 249 - 1910
Grégoire.., while agreeing with the parasynaptic chromosome formation, put a different interpretation on to the ‘gamosomes’ and ‘zygosomes’ of Strasburger and Miyake.
Annals of Botany vol. 24 727 - 1974
The varying amounts of the q segments present in the zygosome may account in large measure for the physical and mental deviation of these mongoloid patients from the usual spectrum of characteristics typical of mongoloids bearing three independent chromosomes 21.
Journal of Heredity vol. 65 257/1
the world life biology biological processes genetic activity genetic components [nouns] chromosome chromosomes in respect of meiosis- trivalency1888–
- zygosome1905–= bivalent, adj. & n.
- bivalence1909–In various subjects: the quality of being bivalent; bivalency; spec. in Logic, principle of bivalence (see quots.).
- zygonema1911–†a. A chromosome at zygotene; b. = zygotene, n.; now rare.
- trivalent1922–Cytology. A multivalent consisting of three chromosomes.
- quadrivalent1923–Cell Biology. A multivalent consisting of four chromosomes.
- quinquevalent1926–Genetics. A multivalent involving five chromosomes.
- multivalent1929–Cell Biology. An association of three or more completely or partly homologous chromosomes during the first division of meiosis.
- nullisomic1932–A nullisomic individual or variety.
- bivalent1937–Biology. Applied to homologous chromosomes united in pairs at the first division of meiosis. Hence as n.
- nullisome1944–= nullisomic, n. Also: the missing chromosome of a nullisomic individual or variety.
Pronunciation
British English
U.S. English
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
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.
Consonants
- ppea
- ttea
- kkey
- bbuy
- ddye*
- ɡguy
- tʃchore
- dʒjay
- ffore
- θthaw
- ssore
- ʃshore
- vvee
- ðthee
- zzee
- ʒbeige
- xloch
- hhay
- llay
- rray
- wway
- jyore
- mmay
- nnay
- ŋsing
* /d/ also represents a 'tapped' /t/ as in
Some consonants can take the function of the vowel in unstressed syllables. Where necessary, a syllabic marker diacritic is used, hence
Vowels
- ifleece, happy
- ɪkit
- ɛdress
- ætrap, bath
- ɑlot, palm, cloth, thought
- ɑrstart
- ɔcloth, thought
- ɔrnorth, force
- ʊfoot
- ugoose
- əstrut, comma
- ərnurse, letter
- ɪ(ə)rnear
- ɛ(ə)rsquare
- ʊ(ə)rcure
- eɪface
- aɪpride
- aʊmouth
- oʊgoat
- ɔɪvoice
- ɑ̃gratin
- æ̃salon
- 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.
Simple text respell breaks words into syllables, separated by a hyphen. The syllable which carries the primary stress is written in capital letters. This key covers both British and U.S. English Simple Text Respell.
Consonants
b, d, f, h, k, l, m, n, p, r, s, t, v, w and z have their standard English values
- gguy
- jjay
- yyore
- chchore
- khloch
- shshore
- ththaw
- dhthee
- zhbeige
Vowels
- atrap
- ahpalm
- airsquare
- arstart
- arrcarry (British only)
- awthought
- ayface
- a(ng)gratin
- edress
- eefleece
- eerdeer
- errmerry
- ikit
- ighpride
- irrmirror
- olot (British only)
- ohgoat
- oogoose
- oorcure
- orforce
- orrsorry (British only)
- owmouth
- oyvoice
- o(ng)salon
- ustrut
- uhletter
- urnurse
- urrhurry
- uufoot