English Words Starting With Z

• zygomatic

  adjectivenounLow frequency
  /ˌzʌɪɡə(ʊ)ˈmatɪk/Relating to the cheekbone or the bony arch that forms the prominence of the cheek.
• zygomatic arch

  nounVery Low / Technical
  /ˌzʌɪɡə(ʊ)ˈmatɪk ɑːtʃ/The bony arch in the skull formed by the zygomatic bone and the temporal bone, located on the side of the head between the eye and ear.
• zygomatic bone

  nounC2
  /ˌzaɪ.ɡəʊˌmæt.ɪk ˈbəʊn/A paired facial bone that forms the prominence of the cheek.
• zygomatic process

  nounC1/C2 (Very Low Frequency)
  /ˌzaɪ.ɡəˌmæt.ɪk ˈprəʊ.ses/A bony projection of the skull that articulates with the zygomatic bone (cheekbone), forming part of the zygomatic arch.
• zygomycete

  nounLow
  /ˌzaɪɡəʊˈmaɪsiːt/A fungus belonging to the now mostly obsolete phylum Zygomycota, characterized by the formation of zygospores during sexual reproduction.
• zygomycota

  nounVery low
  /ˌzʌɪɡə(ʊ)maɪˈkəʊtə/A division of fungi characterized by the formation of a sturdy, diploid zygospore during sexual reproduction.
• zygophore

  nounVery Low
  /ˈzʌɪɡə(ʊ)fɔː/A specialized hypha or filament in certain fungi that is involved in sexual reproduction by fusing with another to form a zygospore.
• zygophyte

  nounVery Low (Specialist)
  /ˈzaɪɡə(ʊ)faɪt/A plant that reproduces by means of zygospores.
• zygopteran

  adjectivenounVery Low
  /zaɪˈɡɒptərən/An insect belonging to the suborder Zygoptera; a damselfly.
• zygosis

  nounVery low
  /zaɪˈɡəʊsɪs/The union of two gametes to form a zygote; conjugation.
• zygosity

  nounVery low
  /zaɪˈɡɒsɪti/The genetic condition of having identical or different alleles for a particular gene.
• zygosporangium

  nounC2
  /ˌzaɪɡəʊspəˈrændʒiəm/A sporangium (spore-forming structure) containing a zygospore, formed by the fusion of gametangia in certain fungi and algae.
• zygospore

  nounRare
  /ˈzʌɪɡə(ʊ)spɔː/A thick-walled resting spore formed from the fusion of similar gametes in certain fungi, algae, and protozoa.
• zygote

  nounLow frequency
  /ˈzaɪ.ɡəʊt/The initial cell formed when a new organism is produced by the fusion of two gametes (egg and sperm) in sexual reproduction.
• zygotene

  nounVery Low (Highly Technical)
  /ˈzʌɪɡə(ʊ)tiːn/The second stage of the prophase of meiosis, during which homologous chromosomes begin to pair and align precisely.
• zymase

  nounRare
  /ˈzaɪ.meɪz/An enzyme complex in yeast that catalyzes the fermentation of sugars into alcohol and carbon dioxide.
• zyme

  nounVery Low (Specialist/Lexical Rare)
  /zaɪm/A substance, especially an enzyme, that causes fermentation.
• zymogen

  nounC2
  /ˈzaɪ.mə.dʒən/An inactive enzyme precursor that requires a biochemical change to become active.
• zymogenesis

  nounC2 / Very rare technical term
  /ˌzaɪməʊˈdʒɛnɪsɪs/The process by which a zymogen (inactive enzyme precursor) is converted into its active form.
• zymology

  nounC2
  /zaɪˈmɒlədʒi/The scientific study of fermentation.

Showing 541–560 of 568 words.