Transcription
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- US Pronunciation
- US IPA
- UK Pronunciation
- UK IPA
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- [al-kuh-lahy]
- /ˈæl kəˌlaɪ/
- /ˈæl.kəl.aɪ/
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- US Pronunciation
- US IPA
-
- [al-kuh-lahy]
- /ˈæl kəˌlaɪ/
Definitions of alkali word
- variable noun alkali An alkali is a substance with a pH value of more than 7. Alkalis form chemical salts when they are combined with acids. 3
- noun alkali a soluble base or a solution of a base 3
- noun alkali a soluble mineral salt that occurs in arid soils and some natural waters 3
- noun alkali any base or hydroxide, as soda, potash, etc. that is soluble in water and gives a high concentration of hydroxyl ions in solution; specif., any of the hydroxides and carbonates of the alkali metals 3
- noun alkali any soluble substance, as a mineral salt or mixture of salts, that can neutralize acids, has a pH greater than 7.0, and turns litmus blue: strong alkalies are caustic 3
- noun plural alkali Chemistry. any of various bases, the hydroxides of the alkali metals and of ammonium, that neutralize acids to form salts and turn red litmus paper blue. any of various other more or less active bases, as calcium hydroxide. (not in technical use) an alkali metal. Obsolete. any of various other compounds, as the carbonates of sodium and potassium. 1
Information block about the term
Origin of alkali
First appearance:
before 1300 One of the 15% oldest English words
1300-50; Middle English alkaly < Middle French alcali < dialectal Arabic al-qalī, variant of Arabic qily saltwort ashes
Historical Comparancy
Parts of speech for Alkali
noun
adjective
verb
adverb
pronoun
preposition
conjunction
determiner
exclamation
alkali popularity
A common word. It’s meaning is known to most children of preschool age. About 86% of English native speakers know the meaning and use the word.
Most Europeans know this English word. The frequency of it’s usage is somewhere between "mom" and "screwdriver".
alkali usage trend in Literature
This diagram is provided by Google Ngram ViewerSynonyms for alkali
noun alkali
- salt — See under Strategic Arms Limitation Talks.
- antacid — that neutralizes acids; counteracting acidity
- caustic soda — Caustic soda is a powerful chemical substance used to make strong soaps and clean drains.
adjective alkali
- alkalescent — developing alkaline qualities
- alkaline — Something that is alkaline contains an alkali or has a pH value of more than 7.
Top questions with alkali
- what is alkali?
- what is the heaviest alkali metal?
- how many valence electrons do alkali metals have?
- how do alkali metals react with water?
- where are alkali metals found?
- what are alkali metals used for?
- what are alkali metals?
- where are the alkali metals located?
- which alkali metal is most reactive?
- what are the two most important alkali metals?
- what are the alkali metals?
- what is an alkali metal?
- explain why alkali metals are extremely reactive?
- which of the following is an alkali metal?
- where are alkali metals located on the periodic table?