Definition of alkaline in English:

alkaline

adjective

  • Having the properties of an alkali, or containing alkali; having a pH greater than 7.

    ‘an alkaline soil’
    Often contrasted with acidic and basic
    ‘a slightly alkaline solution’
    • ‘On the valley floor, freshwater and alkaline soda lakes support a staggering array of birdlife.’
    • ‘In addition to being acid and alkaline, soil can also be sandy or clay.’
    • ‘They may be seen as intermediate between primary alkaline manganese cells and rechargeable Ni-Cd cells.’
    • ‘If these alkaline solutions don't remove all the oil, you can try a solvent.’
    • ‘Liquid bleach used in the laundry is an alkaline solution of hypochlorite ion.’
    • ‘So the demineralization seems to have been in a slightly alkaline solution, not acid.’
    • ‘The primary active ingredients are aluminum salts such as alkaline aluminum chloride.’
    • ‘Manganese deficiency is a common disorder on alkaline soils while its toxicity normally only occurs on strongly acid soils.’
    • ‘Some alkaline solutions may neutralise it but it will play havoc with the base salts.’
    • ‘As the soil solution becomes more alkaline availability increases.’
    • ‘This process requires soil aeration and a neutral or alkaline soil environment.’
    • ‘The wood chips are placed in the digester and are cooked in a highly corrosive alkaline solution.’
    • ‘They contain a non-toxic alkaline emulsifying chemical which has an immediate cooling effect on the oil.’
    • ‘Boxwoods prefer slightly acid to slightly alkaline soil and do very well when planted in early fall.’
    • ‘Decontamination includes washing the skin with alkaline soap and then ethanol.’
    • ‘The precipitate is then treated with acetic acid and an alkaline material.’
    • ‘Values between 7 and 14 are found in basic or alkaline solutions such as caustic or washing soda.’
    • ‘Soluble acid invertase and alkaline invertase were assayed as described previously with some modifications.’
    • ‘This liquid should be an alkaline chemical solution with a PH of more than 7.’
    • ‘The alkaline properties of bicarbonate of soda can also be used to soften the skins of beans and other pulses.’
    corrosive, corroding, mordant, acid, burning, stinging, acrid, harsh, destructive
    View synonyms

Pronunciation

alkaline

/ˈalkəlʌɪn/