ZW system
ZW system proper noun: a system for characterizing the sex of certain animals, such as butterflies and Komodo dragons, in which males have two of the same kind of sex cell (ZZ) and females have two distinct sex cells (ZW).

Proper noun
ZW system
- A system for characterizing the sex of certain animals, such as butterflies and Komodo dragons, in which males have two of the same kind of sex cell (ZZ) and females have two distinct sex cells (ZW).
Forms of ZW system
| alternative form | ZZ-ZW system |
|---|
Questions about ZW system
- What does ZW system mean?
- ZW system means a system for characterizing the sex of certain animals, such as butterflies and Komodo dragons, in which males have two of the same kind of sex cell (ZZ) and females have two distinct sex cells (ZW).
- What part of speech is ZW system?
- ZW system is a proper noun.
Words near ZW system in the dictionary
Source and license
Adapted from Wiktionary: ZW system (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.
Last updated:
Cite this entry: “ZW system.” Word.ws, https://word.ws/zw_system. Based on Wiktionary, CC BY-SA 4.0.
