Meanings
plural unikernels
- operating systemsA specialised, fixed-purpose machine image which can run directly on hardware or a hypervisor without an operating system such as Linux.
The general idea behind unikernel systems is not entirely new, as it builds up on top of the concept of library operating systems such as exokernel or Nemesis.
2016, Bartok, David, Walt, Estee van der, Lindemann, Jan, Eschrig, Johannes, Plauth, Max, Proceedings of the Third HPI Cloud Symposium "Operating the Cloud" 2015, Universitätsverlag Potsdam, page 371 more example
In the unikernel approach, a developer selects a minimal set of libraries from a modular stack which correspond to the OS constructs required for their application to run.
2017, Kai Hwang, Cloud Computing for Machine Learning and Cognitive Applications: A Machine Learning Approach, MIT Press, →ISBN, page 143
Origin
From uni- (“single-”) + kernel.
Full word history & related roots →Cite this entry
unikernel. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/unikernel
“unikernel.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/unikernel. Accessed November 3, 2026.
WatkinsX Dictionary, s.v. “unikernel,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/unikernel.
Source: unikernel on Wiktionary, CC BY-SA 4.0.