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单词 alkalis
释义

alkali /alˈkə-lī or -li/ (chem)

noun (pl alˈkalis or alˈkalies)

A substance which, dissolved in water, forms a solution containing hydroxyl ions and with a pH of more than 7

adjective

Of, relating to, containing or forming an alkali

ORIGIN: Ar alqalīy the calcined ashes

alkalescˈence or alkalescˈency noun

alkalescˈent adjective

  1. Tending to become alkaline
  2. Slightly alkaline

alkalˈic adjective

(of igneous rocks) containing large amounts of alkalis

alkalify /alˈkəl-i-fī or al-kalˈi-fī/ transitive verb and intransitive verb

alkalimˈeter noun

An instrument for measuring the concentration of alkalis

alkalimˈetry noun

alˈkaline /-līn or -lin/ adjective

  1. Having the properties of an alkali
  2. Containing a high proportion of alkali

alkalinity /-linˈ/ noun

  1. The quality of being alkaline
  2. The extent to which a substance is alkaline

alˈkalize or alˈkalise transitive verb

To make alkaline (also alˈkalinize or alˈkalinise)

alˈkaloid noun

Any of various nitrogenous organic bases found in plants, having specific physiological action

adjective

Relating to or resembling alkali

alkalosis /al-kə-lōˈsis/ noun

An illness in which the blood or tissues of the body become too alkaline

alkali metals plural noun

The univalent metals of the first group of the periodic system, lithium, sodium, potassium, rubidium, caesium, francium, forming strong basic hydroxides

alkaline earth noun

  1. An oxide of any of the alkaline earth metals
  2. An alkaline earth metal

alkaline earth metals plural noun

The bivalent metals of the second group of the periodic system, calcium, strontium, barium, and sometimes magnesium and radium

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更新时间:2024/12/23 4:57:05