antiserum
noun
antiserum is a noun meaning “A serum prepared from human or animal sources containing antibodies able to counter certain diseases or toxins” (English Wiktionary, September 2026). It is spelled A-N-T-I-S-E-R-U-M, and it appears about once in every 12 million words in written English (wordfreq, 2021 data). The plural of antiserum is antiserums or antisera.
What does antiserum mean?
noun
- 1
A serum prepared from human or animal sources containing antibodies able to counter certain diseases or toxins.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
How do you pronounce antiserum?
- US
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract). Recordings: LL-Q1860_(eng)-Flame,_not_lame-antiserum.wav, Wikimedia Commons (author and licence on each file's page).
Forms of antiserum
- antiserums plural
- antisera plural
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
How common is antiserum?
Antiserum appears about once in every 12 million words in written English, the 105,204th 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).
Antiserum in Spanish, French, German and Portuguese
In the sense serum containing antibodies:
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 antiserum come from?
From anti- + serum.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).