1. A state of mental focus or attention that lacks clarity, exactness, or well-defined boundaries; unfocused or vague attentiveness
His imprecise concentration made it difficult to complete the detailed task accurately.
Sua concentração imprecisa dificultou a conclusão da tarefa detalhada com precisão.
2. In scientific or technical contexts, a measurement or observation that is gathered with insufficient accuracy or specificity
The laboratory's imprecise concentration measurements led to unreliable results.
As medições de concentração imprecisa do laboratório resultaram em dados pouco confiáveis.