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isoquinoline

noun

isoquinoline is spelled I-S-O-Q-U-I-N-O-L-I-N-E: 12 letters. It appears about once in every 60 million words in written English, the 243,301st most frequent word form (wordfreq, 2021 data). As a noun, isoquinoline means “An isomer of quinoline, many of whose derivatives occur as alkaloids and are synthesized for use as dyes, pharmaceuticals etc” (English Wiktionary, September 2026). The plural of isoquinoline is isoquinolines.

How many letters and syllables are in isoquinoline?

Letters12: I-S-O-Q-U-I-N-O-L-I-N-E
In writingabout once in every 60 million words; the 243,301st most frequent word form
Wrong spellings searchednone measured in search

Sources: letters and syllables from the English Wiktionary's hyphenation or pronunciation; written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).

How common is isoquinoline?

Isoquinoline appears about once in every 60 million words in written English, the 243,301st 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).

Forms of isoquinoline

  • isoquinolines plural

Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).

What does isoquinoline mean?

The meanings the English Wiktionary records, quoted as written there (source below).

noun

  1. 1

    An isomer of quinoline, many of whose derivatives occur as alkaloids and are synthesized for use as dyes, pharmaceuticals etc.

Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).

Where does isoquinoline come from?

From iso- + quinoline.

Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).

What to look up after isoquinoline