1. Flaw in design or implementation that may result in the qualities or behavior of the voting system deviating from the qualities or behavior that are anticipated, including those specified in the VVSG or in manufacturer-provided documentation.
Source: National Institute of Standards and Technology (NIST) Election Terminology Glossary - Draft National Institute of Standards and Technology (NIST) https://pages.nist.gov/ElectionGlossary/
2. Momentary loss of electrical power.
Source: Information Technology Terminology, U.S. Election Assistance Commission, https://www.eac.gov/documents/2017/09/21/information-technology-terminology-security