íons
1. An atom or molecule with a net electric charge due to the loss or gain of one or more electrons
Sodium ions are essential for nerve function and muscle contraction.
Os íons de sódio são essenciais para a função nervosa e contração muscular.
2. In chemistry, a charged particle formed by the ionization of an atom or molecule
The solution contains positive and negative ions in equal amounts.
A solução contém quantidades iguais de íons positivos e negativos.
3. Plural form referring to multiple charged particles
Ions in the atmosphere can affect weather patterns.
Os íons na atmosfera podem afetar os padrões climáticos.
The term 'ions' is primarily used in scientific and educational contexts in both English and Portuguese-speaking countries. In Brazil, awareness of ions has increased with discussions about air quality and 'negative ions' in commercial contexts (air purifiers, wellness products). The word maintains the same technical meaning across all regions and is not commonly used in colloquial speech.
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