alkaline
/ˈæl.kə.laɪn/adjective, noun
alkaline is spelled A-L-K-A-L-I-N-E: 8 letters and 3 syllables. It appears 1.8 times per million words in written English, the 20,906th most frequent word form (wordfreq, 2021 data). As an adjective, alkaline means “Of, or relating to an alkali, one of a class of caustic bases” (English Wiktionary, September 2026).
How many letters and syllables are in alkaline?
| Letters | 8: A-L-K-A-L-I-N-E |
|---|---|
| Syllables | 3 (from its American pronunciation) |
| In writing | 1.8 times per million words; the 20,906th most frequent word form |
| Wrong spellings searched | none measured in search |
Sources: letters and syllables from the English Wiktionary's hyphenation or pronunciation and the CMU Pronouncing Dictionary; written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).
How common is alkaline?
Alkaline appears 1.8 times per million words in written English, the 20,906th most frequent word form in the list.
Source: written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).
How do you pronounce alkaline?
- UK /ˈæl.kəl.aɪn/
- US /ˈæl.kə.laɪn/
Alkaline has 3 syllables (counted from its American pronunciation in the CMU Pronouncing Dictionary).
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract). Recordings: En-us-alkaline.ogg, En-au-alkaline.ogg, Wikimedia Commons (author and licence on each file's page).
Forms of alkaline
- more alkaline comparative
- most alkaline superlative
- alk.
- alkalines plural
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
What does alkaline mean?
The meanings the English Wiktionary records, quoted as written there (source below).
adjective
- 1
Of, or relating to an alkali, one of a class of caustic bases.
- 2
Having a pH greater than 7.
noun
- 1
An alkaline battery.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
How do you abbreviate alkaline?
Wiktionary records 2 abbreviations of alkaline: alk, alk..
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
Alkaline in Spanish, French, German and Portuguese
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract). Translations are Wiktionary's, by sense; a linked word has its own PlainSpell page.
Where does alkaline come from?
First attested in 1677. From alkali + -ine, ultimately from Arabic اَلْقِلْي (al-qily, “alkali, ashes of the saltwort”), related to قَلَى (qalā, “to roast in a pan, fry”).
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).