Dictionary
Six public-domain dictionaries, read side by side.
Terms
344- Zona
- Zonal
- Zonar
- Zonaria
- Zonate
- Zone
- Zoned
- Zoneless
- Zonnar
- Zonular
- Zonule
- Zonulet
- Zonure
- Zoo-; Zooe-
- Zoochemical; Zooechemical
- Zoochemistry; Zooechemistry
- Zoochemy; Zooechemy
- Zoochlorella; Zooechlorella
- Zoocyst; Zooecyst
- Zoocytium; Zooecytium
- Zoodendrium; Zooedendrium
- Zooecium
- Zooerythrine; Zooeerythrine
- Zoogamous; Zooegamous
- Zoogamy; Zooegamy
- Zoogenic; Zooegenic
- Zoogeny; Zooegeny; Zoogony; Zooegony
- Zoogeographical; Zooegeographical
- Zoogeography; Zooegeography
- Zoogloea; Zooegloea
- Zoographer; Zooegrapher
- Zoographic; Zooegraphic; Zoographical; Zooegraphical
- Zoographist; Zooegraphist
- Zoography; Zooegraphy
- Zooid
- Zooidal
- Zoolatry; Zooelatry
- Zoologer; Zooeloger
- Zoological; Zooelogical
- Zoologically; Zooelogically
- Zoologist; Zooelogist
- Zoologize
- Zoology; Zooelogy
- Zoomelanin; Zooemelanin
- Zoomorphic; Zooemorphic
- Zoomorphism; Zooemorphism
- Zoon; Zooen
- Zoonic; Zooenic
- Zoonite; Zooenite
- Zoonomy; Zooenomy
- Zoonule; Zooenule
- Zoopathology; Zooepathology
- Zoophaga; Zooephaga
- Zoophagan; Zooephagan
- Zoophagous; Zooephagous
- Zoophilist; Zooephilist
- Zoophily; Zooephily
- Zoophite; Zooephite
- Zoophoric; Zooephoric
- Zoophorous; Zooephorous
- Zoophyta; Zooephyta
- Zoophyte; Zooephyte
- Zoophytic; Zooephytic; Zoophytical; Zooephytical
- Zoophytoid; Zooephytoid
- Zoophytological; Zooephytological
- Zoophytology; Zooephytology
- Zoopraxiscope; Zooepraxiscope
- Zoopsychology; Zooepsychology
- Zoosperm; Zooesperm
- Zoosporangium; Zooesporangium
- Zoospore; Zooespore
- Zoosporic; Zooesporic
- Zootic; Zooetic
- Zootomical; Zooetomical
- Zootomist; Zooetomist
- Zootomy; Zooetomy
- Zootrophic; Zooetrophic
- Zoozoo
- Zope
- Zopilote
- Zoril
- Zorilla
- Zoroastrian
- Zoroastrianism
- Zoroastrism
- Zoster
- Zostera
- Zosterops
- Zouave
- Zounds
- Zoutch
- Zubr
- Zuche
- Zuchetto
- Zufolo
- Zuian
- Zuisin
- Zulu
- Zulu-Kaffir
- Zulus
- Zumbooruk
- Zumic; Zumological; Zumology; Zumometer
- Zunis
- Zunyite
- Zwanziger
- Zwieback
- Zwinglian
- Zygantrum
- Zygapophysis
- Zygenid
- Zygobranchia
- Zygobranchiate
- Zygodactyl; Zygodactyle
- Zygodactylae
- Zygodactyli
- Zygodactylic; Zygodactylous
- Zygoma
- Zygomatic
- Zygomorphic; Zygomorphous
- Zygophyte
- Zygosis
- Zygosperm
- Zygosphene
- Zygospore
- Zylonite
- Zymase
- Zyme
- Zymic
- Zymogen
- Zymogene
- Zymogenic
- Zymologic; Zymological
- Zymologist
- Zymology
- Zymolysis
- Zymome
- Zymometer; Zymosimeter
- Zymophyte
- Zymose
- Zymosis
- Zymotic
- Zythem
- Zythepsary
- Zythum
1 entry 1 source
Zona
Open directlyWebster's 1828 Dictionary · 1828
Part of speech: noun (n.)
1. A zone or band; a layer. Zona pellucida. Etym: [NL.] (Biol.)
2. The outer transparent layer, or envelope, of the ovum. It is a more or less elastic membrane with radiating striæ, and corresponds to the cell wall of an ordinary cell. See Ovum, and Illust. of Microscope. (b) The zona radiata. -- Zona radiata Etym: [NL.] (Biol.), a radiately striated membrane situated next the yolk of an ovum, or separated from it by a very delicate membrane only.