X-gal
X-gal noun: 5-bromo-4-chloro-3-indolyl-β-D-galactopyranoside, used to detect β-galactosidase.

Noun
X-gal (uncountable)
- 5-bromo-4-chloro-3-indolyl-β-D-galactopyranoside, used to detect β-galactosidase.
Origin of X-gal
Shortened from galactose; the X may be from indoxyl.
Questions about X-gal
- What does X-gal mean?
- X-gal means 5-bromo-4-chloro-3-indolyl-β-D-galactopyranoside, used to detect β-galactosidase.
- What part of speech is X-gal?
- X-gal is a noun.
Words near X-gal in the dictionary
Source and license
Adapted from Wiktionary: X-gal (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: “X-gal.” Word.ws, https://word.ws/x-gal. Based on Wiktionary, CC BY-SA 4.0.
