Nonconventional
Nonconventional is an adjective used to describe methods, practices, or objects that do not conform to established standards, norms, or mainstream approaches. It signals deviation from what is considered conventional or typical within a given context. The term is widely applicable across disciplines, including science, policy, industry, and culture, where it helps distinguish newer, alternative, or atypical options from traditional ones.
The word is formed from non- plus conventional. It has been in use since the 19th century,
In energy policy, nonconventional energy sources refer to technologies outside traditional fossil fuels, such as solar,
Conventional, unconventional, unconventionality. The choice between terms often reflects field-specific conventions and evolving standards of evidence