Associations to the word «Alkali»

ALKALI, noun. (chemistry) One of a class of caustic bases, such as soda, potash, ammonia, and lithia, whose distinguishing peculiarities are solubility in alcohol and water, uniting with oils and fats to form soap, neutralizing and forming salts with acids, turning to brown several vegetable yellows, and changing reddened litmus to blue.

ALKALI, noun. Soda ash; caustic soda, caustic potash, etc.

ALKALI, noun. (Western United States) Soluble mineral matter, other than common salt, contained in soils of natural waters.

ALKALI BASALT, noun. (geology) An alkaline variety of basalt

ALKALI FLAT, noun. A dry lake; a remnant of lake consisting of fine-grained sediments infused with alkali salts.

ALKALI FLATS, noun. Plural of alkali flat

ALKALI GREEN, noun. An alkali salt of a sulfonic acid derivative of a complex aniline dye, resembling emerald green.

ALKALI METAL, noun. (inorganic chemistry) Any of the soft, light, reactive metals of Group 1 of the periodic table; lithium, sodium, potassium, rubidium, cesium, and francium.

ALKALI METALS, noun. Plural of alkali metal

ALKALI, noun. Any of various water-soluble compounds capable of turning litmus blue and reacting with an acid to form a salt and water; "bases include oxides and hydroxides of metals and ammonia".

ALKALI, noun. A mixture of soluble salts found in arid soils and some bodies of water; detrimental to agriculture.