Meanings
BTK1
nounBTK (uncountable)
- abbreviationinitialismuncountablemedicineInitialism of Bruton's tyrosine kinase.
BTK2
proper nounBTK (uncountable)
- abbreviationinitialismuncountablerail transportInitialism of Baku–Tbilisi–Kars, a railway connecting Azerbaijan, Georgia, and Turkey.
With the BTK, the Trans-European and Trans-Asian railways network would be merged, and cargo and passengers would be transported to Europe or Asia via Azerbaijan, Georgia, and Türkiye.
2023, Nurettin Akcay, Guo Changgang, “Türkiye’s Middle Corridor and China’s BRI: Identification and Assessment”, in Insight Turkey, volume 25, number 1, page 65
BTK3
proper nounBTK (uncountable)
- uncountableDennis Rader, American serial killer.
Origin
Initialism of bind, torture, kill. The nickname was first used by Dennis Rader in letters to the police and media.
Full word history & related roots →Cite this entry
APA
BTK. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/BTK
MLA
“BTK.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/BTK. Accessed November 3, 2026.
Chicago
WatkinsX Dictionary, s.v. “BTK,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/BTK.
Source: BTK on Wiktionary, CC BY-SA 4.0.