alkaline

• POS: Adjective
• HYPHEN: al=ka=line

CIDE DICTIONARY

alkaline, a. [Cf. F. alcalin.].

 Of or pertaining to an alkali or to alkalies; having the properties of an alkali.  [1913 Webster]

Alkaline earths, certain substances, as lime, baryta, strontia, and magnesia, possessing some of the qualities of alkalies. -- Alkaline metals, potassium, sodium, cæsium, lithium, rubidium. -- Alkaline reaction, a reaction indicating alkalinity, as by the action on limits, turmeric, etc.

OXFORD DICTIONARY

alkaline, adj. of, relating to, or having the nature of an alkali; rich in alkali.

Idiom

alkaline earth
1 any of the bivalent group of metals, beryllium, magnesium, calcium, strontium, barium, and radium.
2 an oxide of the lime group.

Derivative

alkalinity n.