Meanings
nounserum (countable and uncountable, plural serums or sera)
- abbreviationcountableellipsisuncountableEllipsis of blood serum.
- countableuncountableBlood serum used as a blood product, in the practice of medicine: blood serum from the tissues of immunized animals (human or nonhuman), containing antibodies and used to transfer immunity to another individual (human or nonhuman).
Near-synonym: antiserum
Synonyms: antiserum
- countableuncountableA skincare product of varying consistencies with a high concentration of one or more active ingredients, for a targeted purpose, such as preventing acne, repairing sun damage, or moisturizing.
Synonyms & antonyms
nounBlood serum used as a blood product, in the practice of medicine: blood serum from the tissues of immunized animals (human or nonhuman), containing antibodies and used to transfer immunity to another individual (human or nonhuman).
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More synonyms by meaning
nounan amber, watery fluid, rich in proteins, that separates out when blood coagulates
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Broader
Also see
Synonym sets from Open English WordNet, CC BY 4.0.
Origin
Translations
Ancient Greek ὀρός
- ὀρός (orós)yellowish fluid obtained from blood
Arabic مَصْل دَم, مَصْل
- مَصْل دَم (maṣl dam)yellowish fluid obtained from blood
- مَصْل (maṣl)yellowish fluid obtained from blood
Bulgarian суроватка, се́рум
- суроватка (surovatka)watery portion of certain animal fluids
- се́рум (sérum)yellowish fluid obtained from blood
Catalan sèrum
- sèrumyellowish fluid obtained from blood
Chinese Mandarin 精華液 /精华液, 血清
- 精華液 /精华液 (jīnghuáyè)skincare product
- 血清 (xuèqīng, xiěqīng)yellowish fluid obtained from blood
Czech sérum, syrovatčina
- sérumyellowish fluid obtained from blood
- syrovatčinayellowish fluid obtained from blood
Danish serum
- serumyellowish fluid obtained from blood
Dutch serum
- serumyellowish fluid obtained from blood
Esperanto serumo
- serumoyellowish fluid obtained from blood
Finnish kudosneste, hera
- kudosnestewatery fluid from animal tissue
- herawatery portion of certain animal fluids
- seerumiskincare product
- seerumiyellowish fluid obtained from blood
- veriseerumiyellowish fluid obtained from blood
- veriherayellowish fluid obtained from blood
French sérum
- sérumyellowish fluid obtained from blood
German Serum
- Serumyellowish fluid obtained from blood
Greek ορός
- ορός (orós)yellowish fluid obtained from blood
Hebrew נסיוב
- נסיוב (nasyúv)yellowish fluid obtained from blood
Hungarian savó, szérum
- savówatery portion of certain animal fluids
- szérumyellowish fluid obtained from blood
- vérsavóyellowish fluid obtained from blood
Indonesian serum, serum
- serumwatery fluid from animal tissue
- serumwatery portion of certain animal fluids
- serumskincare product
- serumyellowish fluid obtained from blood
Italian siero
- sieroyellowish fluid obtained from blood
Japanese 血清
- 血清 (kessei)yellowish fluid obtained from blood
Korean 혈청
- 혈청 (hyeolcheong)yellowish fluid obtained from blood
Malay serum
- serumyellowish fluid obtained from blood
Persian خونابه, سرم
- خونابه (xunâbe)yellowish fluid obtained from blood
- سرم (serom)yellowish fluid obtained from blood
Polish serum, surowica
- serumskincare product
- surowicayellowish fluid obtained from blood
Portuguese sérum, soro
- sérumskincare product
- soroyellowish fluid obtained from blood
Romanian ser
- seryellowish fluid obtained from blood
Russian сы́воротка
- сы́воротка (sývorotka)yellowish fluid obtained from blood
Slovak sérum
- sérumyellowish fluid obtained from blood
Spanish sérum, suero
- sérumskincare product
- sueroyellowish fluid obtained from blood
Thai ซีรัม, น้ำเหลืองของเลือด
- ซีรัมyellowish fluid obtained from blood
- น้ำเหลืองของเลือดyellowish fluid obtained from blood
Turkish serum
- serumyellowish fluid obtained from blood
Ukrainian сиро́ватка
- сиро́ватка (syróvatka)yellowish fluid obtained from blood
Vietnamese huyết thanh
- huyết thanhyellowish fluid obtained from blood
Rhymes & wordplay
Anagrams
Cite this entry
APA
serum. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/serum
MLA
“serum.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/serum. Accessed November 2, 2026.
Chicago
WatkinsX Dictionary, s.v. “serum,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/serum.
Source: serum on Wiktionary, CC BY-SA 4.0.