Definition of alkali in English:
noun (plural alkalis)
- Amides are hydrolysed to ammonium salts with catalysis by acids or alkalis.
- They resist most chemicals, including many acids, alkalis, oxidizing agents, and solvents.
- Nickel has good resistance to corrosion in the normal atmosphere, in natural freshwaters and in deaerated nonoxidizing acids, and it has excellent resistance to corrosion by caustic alkalis…
- A vast white alkali flat unrolled across the field of his dream, ringed with serrated purple mountains at the horizon.
- Additionally, clinically, if CO2 tensions venture into the range of 80-100 mm Hg in critically patients, the use of alkali therapy is generally mandatory.
- For the first few days, the country presented picturesque timbered bottomlands and rolling prairie, but slowly it changed to a rocky landscape littered with buffalo bones and stagnant pools of undrinkable alkali water.
Late Middle English (denoting a saline substance derived from the ashes of various plants, including glasswort): from medieval Latin, from Arabic al-qalī 'calcined ashes (of the glasswort etc.)', from qalā 'fry, roast'.
The chemistry term alkali is from medieval Latin, from Arabic al-kalī ‘calcined ashes’ referring to the plants from which alkalis were made. Early 19th-century alkaloid (a class of compounds including morphine, quinine, and strychnine) was coined in German from alkali.
Words that rhyme with alkaliLorelei • Naphtali • butterfly
- US English dictionary
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