ALKALINE

alkaline, alkalic

(adjective) relating to or containing an alkali; having a pH greater than 7; “alkaline soils derived from chalk or limestone”

Source: WordNet® 3.1


Etymology

Adjective

alkaline (comparative more alkaline, superlative most alkaline)

Of, or relating to an alkali, one of a class of caustic bases.

(chemistry) Having a pH greater than 7.

Synonyms

• (chemistry): basic

Antonyms

• (chemistry): acidic

Noun

alkaline (plural alkalines)

An alkaline battery.

Source: Wiktionary


Al"ka*line, a. Etym: [Cf. F. alcalin.]

Definition: Of or pertaining to an alkali or to alkalies; having the properties of an alkali. 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.

Source: Webster’s Unabridged Dictionary 1913 Edition



RESET




Word of the Day

24 May 2025

EARTHSHAKING

(adjective) sufficiently significant to affect the whole world; “earthshaking proposals”; “the contest was no world-shaking affair”; “the conversation...could hardly be called world-shattering”


coffee icon

Coffee Trivia

In 1884, Angelo Moriondo of Turin, Italy, demonstrated the first working example of an espresso machine.

coffee icon