seronegative
adjective, noun
seronegative is spelled S-E-R-O-N-E-G-A-T-I-V-E: 12 letters. It appears about once in every 28 million words in written English, the 159,707th most frequent word form (wordfreq, 2021 data). As an adjective, seronegative means “Testing negative for a given pathogen, especially HIV. (of blood serum)” (English Wiktionary, September 2026).
How many letters and syllables are in seronegative?
| Letters | 12: S-E-R-O-N-E-G-A-T-I-V-E |
|---|---|
| In writing | about once in every 28 million words; the 159,707th most frequent word form |
| Wrong spellings searched | none 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 seronegative?
Seronegative appears about once in every 28 million words in written English, the 159,707th 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 seronegative
- seronegatives plural
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
What does seronegative mean?
The meanings the English Wiktionary records, quoted as written there (source below).
adjective
- 1
Testing negative for a given pathogen, especially HIV. (of blood serum)
- 2
Having seronegative blood serum. (of a person or animal)
noun
- 1
Such a serum of person
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
Where does seronegative come from?
From sero- + negative.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).