alkaline

[/ˈælkəlaɪn/]
adjective
alcalino
1. containing or relating to an alkali; having a pH greater than 7
Alkaline batteries last longer than regular batteries.
Baterias alcalinas duram mais do que baterias comuns.
2. of or relating to the group of metallic elements that includes sodium and potassium
The alkaline earth metals are important in industrial applications.
Os metais alcalino-terrosos são importantes em aplicações industriais.
3. having basic chemical properties; not acidic
An alkaline solution turns litmus paper blue.
Uma solução alcalina torna o papel de tornassol azul.
In Brazil, 'alcalino' is commonly used in everyday language when discussing batteries (pilhas alcalinas) and health trends related to alkaline diets. In the USA, alkaline products, particularly alkaline batteries and alkaline water, have become increasingly popular consumer products marketed for health and longevity benefits, though scientific evidence remains debated.
Synonyms / Sinônimos
basicnon-acidicalkalescent
Antonyms / Antônimos
acidicacidulousacid

Regional Variations

General Brazilian
alcalino
Standard usage in chemistry and everyday contexts
Portugal
alcalino
Same usage as Brazilian Portuguese, technical term
Technical/Scientific
alcalino
Universally used in scientific and industrial contexts across all Portuguese-speaking countries

Related Words

alkalialkalinitypHbaseneutralization

Related Idioms & Phrases

alkaline diet
alkaline water
reach alkaline levels
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