antibody

an·ti·bo·dy
A1N1T1I1B3O1D2Y4
UK/ˈæn.tiˌbɒd.i/UK/ˈæn.tɪˌbɒd.i/US/ˈæn.tɪˌbɑ.di/US[ˈæn.tɪˌbɑ.ɾi]

noun

A protein produced by B-lymphocytes that binds to a specific antigen.

Opposite
CommonScrabble 14

Meanings

nounantibody (plural antibodies)

plural antibodies

  1. immunologyA protein produced by B-lymphocytes that binds to a specific antigen.
    1 more example

    It’s estimated only 0.1% of antibodies circulating in the bloodstream enter the brain – this also includes the therapeutic antibodies currently used in clinical trials. An approach my team is taking is to use ultrasound to temporarily open the blood-brain barrier, which increases the uptake of Alzheimer’s drugs or antibody fragments.

    2018 January 18, Jürgen Götz, “Why it’s so hard to treat dementia”, in CNN

    Synonyms: immunoglobulin, immune globulin · Antonyms: antigen, Ag

Synonyms & antonyms

nounA protein produced by B-lymphocytes that binds to a specific antigen.

Opposite

Origin

  1. GermanAntikörper
  2. Englishantibody

From anti- + body, a calque of German Antikörper.

Full word history & related roots →

Translations

Arabic جِسْم مُضَادّ
  • جِسْم مُضَادّ (jism muḍādd)protein that binds to a specific antigen
Bulgarian а́нтитя́ло
  • а́нтитя́ло (ántitjálo)protein that binds to a specific antigen
Catalan anticòs
  • anticòsprotein that binds to a specific antigen
Chinese Mandarin 抗體 /抗体
  • 抗體 /抗体 (kàngtǐ)protein that binds to a specific antigen
Czech protilátka
  • protilátkaprotein that binds to a specific antigen
Danish antistof
  • antistofprotein that binds to a specific antigen
Dutch antilichaam
  • antilichaamprotein that binds to a specific antigen
Esperanto antikorpo, antipartiklo
  • antikorpoprotein that binds to a specific antigen
  • antipartikloprotein that binds to a specific antigen
Estonian antikeha
  • antikehaprotein that binds to a specific antigen
Finnish vasta-aine
  • vasta-aineprotein that binds to a specific antigen
French anticorps
  • anticorpsprotein that binds to a specific antigen
German Antikörper
  • Antikörperprotein that binds to a specific antigen
Greek αντίσωμα
  • αντίσωμα (antísoma)protein that binds to a specific antigen
Hebrew נוֹגְדָן
  • נוֹגְדָן (nogdán)protein that binds to a specific antigen
Hungarian antitest, ellenanyag
  • antitestprotein that binds to a specific antigen
  • ellenanyagprotein that binds to a specific antigen
Irish antashubstaint, frithábhar
  • antashubstaintprotein that binds to a specific antigen
  • frithábharprotein that binds to a specific antigen
  • frithchoirpínprotein that binds to a specific antigen
Italian anticorpo
  • anticorpoprotein that binds to a specific antigen
Japanese 抗体
  • 抗体 (kōtai)protein that binds to a specific antigen
Korean 항체
  • 항체 (hangche)protein that binds to a specific antigen
Latin anticorpus
  • anticorpusprotein that binds to a specific antigen
Latvian antiviela
  • antivielaprotein that binds to a specific antigen
Lithuanian antikūnas
  • antikūnasprotein that binds to a specific antigen
Māori paturopi
  • paturopiprotein that binds to a specific antigen
Norwegian Bokmål antistoff
  • antistoffprotein that binds to a specific antigen
Persian پادتن
  • پادتن (pâdtan)protein that binds to a specific antigen
Polish przeciwciało, antyciało
  • przeciwciałoprotein that binds to a specific antigen
  • antyciałoprotein that binds to a specific antigen
  • immunoglobulinaprotein that binds to a specific antigen
Portuguese anticorpo
  • anticorpoprotein that binds to a specific antigen
Romanian anticorp, anticorpi
  • anticorpprotein that binds to a specific antigen
  • anticorpiprotein that binds to a specific antigen
Russian антите́ло
  • антите́ло (antitélo)protein that binds to a specific antigen
Slovak protilátka
  • protilátkaprotein that binds to a specific antigen
Spanish anticuerpo
  • anticuerpoprotein that binds to a specific antigen
Swahili kingamwili
  • kingamwiliprotein that binds to a specific antigen
Swedish antikropp
  • antikroppprotein that binds to a specific antigen
Thai สารภูมิต้านทาน, แอนติบอดี
  • สารภูมิต้านทาน (sǎan-puum-dtâan-taan)protein that binds to a specific antigen
  • แอนติบอดี (ɛɛn-dtì-bɔɔ-dîi)protein that binds to a specific antigen
Turkish antikor
  • antikorprotein that binds to a specific antigen
Ukrainian антиті́ло
  • антиті́ло (antytílo)protein that binds to a specific antigen
Vietnamese kháng thể
  • kháng thểprotein that binds to a specific antigen
Welsh gwrthgorff
  • gwrthgorffprotein that binds to a specific antigen
Cite this entry
APA

antibody. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/antibody

MLA

“antibody.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/antibody. Accessed November 2, 2026.

Chicago

WatkinsX Dictionary, s.v. “antibody,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/antibody.

Source: antibody on Wiktionary, CC BY-SA 4.0.