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bioassay

noun, verb

bioassay is spelled B-I-O-A-S-S-A-Y: 8 letters. It appears about once in every 17 million words in written English, the 124,184th most frequent word form (wordfreq, 2021 data). As a noun, bioassay means “The analysis of the biological activity of a substance, with reference to a standard preparation, using a culture of living cells, or a living…” (English Wiktionary, September 2026). The plural of bioassay is bioassays.

How many letters and syllables are in bioassay?

Letters8: B-I-O-A-S-S-A-Y
In writingabout once in every 17 million words; the 124,184th 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 bioassay?

Bioassay appears about once in every 17 million words in written English, the 124,184th 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 bioassay

  • bioassays plural, present, singular, he/she/it
  • bioassaying participle, present
  • bioassayed participle, past

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

What does bioassay mean?

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

noun

  1. 1

    The analysis of the biological activity of a substance, with reference to a standard preparation, using a culture of living cells, or a living creature.

verb

  1. 1

    To carry out such an analysis.

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

Where does bioassay come from?

From bio- + assay.

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

What to look up after bioassay