X-gal

noun

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

Ask AI about this wordChatGPTClaudePerplexityGoogle AIGrok

Meanings

nounX-gal (uncountable)
  1. uncountable5-bromo-4-chloro-3-indolyl-β-D-galactopyranoside, used to detect β-galactosidase.

Origin

Shortened from galactose; the X may be from indoxyl.

Full word history & related roots →
Cite this entry
APA

X-gal. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/X-gal

MLA

“X-gal.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/X-gal. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “X-gal,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/X-gal.

Source: X-gal on Wiktionary, CC BY-SA 4.0.