RBMK

R1B3M3K5

noun

A kind of graphite-moderated nuclear reactor, designed so that, instead of a large steel pressure vessel surrounding the entire core, the core is surrounded by a cylindrical annular steel tank inside a concrete vault and each fuel assembly is enclosed in an individual pipe or channel that also contains the coolant.

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Meanings

nounRBMK (plural RBMKs)

plural RBMKs

  1. A kind of graphite-moderated nuclear reactor, designed so that, instead of a large steel pressure vessel surrounding the entire core, the core is surrounded by a cylindrical annular steel tank inside a concrete vault and each fuel assembly is enclosed in an individual pipe or channel that also contains the coolant.

Origin

Initialism from the Russian name: "реа́ктор большо́й мо́щности кана́льный" (reaktor bolshoy moshchnosti kanalnyy), meaning "high-power channel-type reactor".

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Cite this entry
APA

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

MLA

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

Chicago

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

Source: RBMK on Wiktionary, CC BY-SA 4.0.