alkaline

[al-kuh-lahyn, -lin] /ˈæl kəˌlaɪn, -lɪn/
adjective, Chemistry
1.
of or like an alkali.
2.
containing an alkali.
3.
having the properties of an alkali.
4.
having a pH value greater than 7.
Compare acid (def 5c).
Origin
1670-80; alkal(i) + -ine1
Examples from the web for alkaline
  • He washed the map for four days in an alkaline bath that removed acid and grime, and he cut away the linen backing.
  • With their blood more alkaline than usual, mountaineers can grow dizzy or nauseated.
  • The problem is that current electrolyzer technology takes a lot of energy in a harsh, alkaline environment.
  • Bilirubin levels increase after alkaline phosphatase rises.
  • They use an alkaline solution, but the alkali is not consumed.
  • Normally tolerant of saline or alkaline soils, they sometimes suffer from chlorosis.
  • Because plaster is mixed with lime, it has a high alkaline content.
  • It's an alkaline fluid consisting of bile salts, bile pigments, cholesterol and lecithin.
  • Blood tests may show higher than normal levels of bilirubin and alkaline phosphatase.
  • Plants are sensitive to salt burn in alkaline soils.
British Dictionary definitions for alkaline

alkaline

/ˈælkəˌlaɪn/
adjective
1.
having the properties of or containing an alkali
Word Origin and History for alkaline
adj.

1670s, "pertaining to alkalis," from alkali + -ine (1). Of soils, attested from 1850.

alkaline in Medicine

alkaline al·ka·line (āl'kə-lĭn, -līn')
adj.

  1. Of, relating to, or containing an alkali.

  2. Having a pH greater than 7.

alkaline in Science
alkaline
  (āl'kə-lĭn, -līn')   

  1. Capable of neutralizing an acid. Bases are alkaline.

  2. Relating to an alkali compound.

  3. Having a pH greater than 7.

  4. Having a relatively low concentration of hydrogen ions.