merreaktiva

Merreaktiva is a Swedish term used in informal and semi-technical language to describe substances or systems that are more reactive than a defined reference. The word forms part of the comparative construction mer- with the adjective reaktiv (reactive). It is not a standalone scientific category, but a descriptive phrase commonly found in educational texts, industry reports, and media.

In chemistry and related fields, merreaktiva substances are those that exhibit a higher rate of reaction, greater sensitivity to initiators, or a lower activation barrier relative to a reference substance. The phrase is often used when comparing batches, materials, or conditions, for example: merreaktiva ämnen (more reactive substances) or merreaktiva beteenden (more reactive behaviors). In practice, scientists prefer quantitative descriptors such as rate constants, activation energy, or reaction order, but merreaktiva remains a convenient qualitative label.

Linguistic notes: the form merreaktiva is the plural form used with plural nouns; singular would be merreaktiv. The prefix mer- signals the comparative degree and is used widely across Swedish adjectives. The term carries no universal standard definition and should be interpreted from context. When precision is required, it is better to rely on numeric data such as reaction rates and activation energies rather than the qualitative label merreaktiva.