tumor

See also: Tumor, tumör, and tümör

English

Alternative forms

• tumour (Commonwealth)

Etymology

From Middle English tumour, from Old French tumour, from Latin tumor (“swelling”), from tumeō (“bulge, swell”, verb), from Proto-Italic *tumēō, from Proto-Indo-European *tewh₂- (“to swell”). Related to English thumb.

Pronunciation

• (UK) IPA^(key): /tjuː.mə/
• (US) IPA^(key): /tuː.məɹ/
• Rhymes: -uːmə(ɹ)

• Audio (UK):

  (file)

Noun

tumor (plural tumors) (American spelling)

2. (oncology, pathology) An abnormal growth; differential diagnosis includes abscess, metaplasia, and neoplasia.

   a benign tumor

   a malignant tumor

   brain tumor

   identify tumor

   pancreatic tumor

   remove a tumor

   take a tumor

   stomach tumor

   • 2022 September 29, Carl Zimmer, “A New Approach to Spotting Tumors: Look for Their Microbes”, in The New York Times‎^[1], archived from the original on 1 December 2022:

     It’s possible that some microbes don’t just take up residence in tumors but help them grow. They may cloak the tumor from the immune system, neutralize drugs or help tumors spread through the body.

Usage notes

• Tumor is the standard US spelling and an alternative spelling in Canada. Tumour is the standard modern spelling elsewhere.

Synonyms

• (an abnormal growth): neoplasm

Hyponyms

• brain tumor
• granular cell tumor
• Klatskin tumor
• Pancoast tumor
• Warthin's tumor
• Wilms tumor

• See also Thesaurus:tumor

Derived terms

• aniridia-Wilms' tumor syndrome
• antitumor
• devil facial tumor disease
• hypertumor
• intratumor
• microtumor
• neurotumor
• nontumor
• peritumor
• posttumor
• pretumor
• protumor
• pseudotumor
• tumorectomy
• tumored
• tumorgenic
• tumoricide
• tumorigenesis
• tumorigenic
• tumoristatic
• tumoritropic
• tumorless
• tumorlike
• tumor necrosis factor
• tumorogenesis
• tumorogenic
• tumoroid
• tumorolytic
• tumoromics
• tumorosphere
• tumorsphere
• Wilms' tumor
• xenotumor

Related terms

• contumely
• tumescent
• tumid
• tumult

Descendants

• → Welsh: tiwmor

Translations

oncology, pathology: an abnormal growth

• Afrikaans: gewas (af)
• Albanian: please add this translation if you can
• Arabic: وَرَم m (waram)
• Armenian: ուռուցք (hy) (uṙucʻkʻ)
• Azerbaijani: şiş (az)
• Bashkir: шеш (şeş), яман шеш (yaman şeş)
• Belarusian: пухлі́на f (puxlína), во́пух m (vópux)
• Bulgarian: тумор (bg) m (tumor)
• Burmese: အကျိတ် (my) (a.kyit)
• Catalan: tumor (ca) m
• Chinese:

  Mandarin: 腫瘤 / 肿瘤 (zh) (zhǒngliú), 瘤子 (zh) (liúzi)

• Crimean Tatar: şişik
• Czech: nádor (cs) m
• Danish: svulst (da) c, tumor c
• Dutch: tumor (nl) m, gezwel (nl) n
• Esperanto: tumoro
• Estonian: kasvaja
• Finnish: kasvain (fi)
• French: tumeur (fr) f
• Galician: tumor (gl) m
• Georgian: სიმსივნე (simsivne)
• German: Tumor (de) m, Geschwulst (de) f or n
• Greek: όγκος (el) m (ógkos)

  Ancient Greek: ἀθήρωμα n (athḗrōma), κανθύλη f (kanthúlē)

• Hindi: फुलाव (hi) m (phulāv), नववर्धन m (navvardhan), ट्यूमर m (ṭyūmar)
• Hungarian: daganat (hu)
• Icelandic: æxli n, hnútur m
• Irish: siad m
• Italian: tumore (it) m
• Japanese: 腫瘍 (ja) (しゅよう, shuyō)
• Kannada: ಗಂತಿ (kn) (ganti), ಗಡ್ಡೆ (kn) (gaḍḍe)
• Kazakh: ісік (ısık)
• Khmer: ដុំសាច់ (domsac)
• Korean: 종양(腫瘍) (ko) (jong'yang)
• Lao: ນໍ (nǭ)
• Latin: tumor m
• Latvian: audzējs (lv) m
• Macedonian: тумор m (tumor)
• Malagasy: fivontosana (mg), zihitra (mg)
• Malay: ketumbuhan, tumor
• Māori: tuma, koropuku
• Mongolian: please add this translation if you can
• Norman: chancre m
• Persian: تومور (fa) (tumor)
• Polish: guz (pl) m, nowotwór (pl) m, opuchlizna (pl) f
• Portuguese: tumor (pt) m
• Romanian: tumoare (ro) f
• Russian: о́пухоль (ru) f (ópuxolʹ)
• Scots: clyre
• Scottish Gaelic: pluc m, at m
• Serbo-Croatian:

  Cyrillic: ту̑мор m

  Latin: tȗmor (sh) m

• Slovak: nádor (sk) m
• Spanish: tumor (es) m
• Swedish: tumör (sv)
• Tamil: கட்டி (ta) (kaṭṭi)
• Tatar: шеш (tt) (şeş)
• Thai: เนื้องอก (th) (nʉ́ʉa-ngɔ̂ɔk)
• Tibetan: སྐྲན (skran)
• Turkish: tümör (tr), ur (tr), verem (tr)

  Ottoman Turkish: شیش (şiş), ورم (verem), یومرو (yumru)

• Ukrainian: пухли́на f (puxlýna), о́пух m (ópux)
• Uzbek: shish (uz)
• Vietnamese: u (vi)
• Welsh: tiwmor (cy) m
• Yakut: искэн (isken)
• ǃXóõ: gǁkxʻáã

The translations below need to be checked and inserted above into the appropriate translation tables. See instructions at Wiktionary:Entry layout § Translations.

Translations to be checked

• Woiwurrung: ^{(please verify)} karre-ni

References

• tumor on Wikipedia.Wikipedia

Catalan

Pronunciation

• IPA^(key): (Central, Balearic, Valencia) [tuˈmor]

• Audio (Barcelona):

  (file)

Noun

tumor m (plural tumors)

1. tumor

Czech

Pronunciation

• IPA^(key): [ˈtumor]

Noun

tumor m inan

1. tumor

   Synonym: nádor

Declension

Declension of tumor (hard masculine inanimate)

	singular	plural
nominative	tumor	tumory
genitive	tumoru	tumorů
dative	tumoru	tumorům
accusative	tumor	tumory
vocative	tumore	tumory
locative	tumoru	tumorech
instrumental	tumorem	tumory

See also

• novotvar

Further reading

• “tumor”, in Příruční slovník jazyka českého (in Czech), 1935–1957
• “tumor”, in Slovník spisovného jazyka českého (in Czech), 1960–1971, 1989

Danish

Etymology

From Latin tumor.

Noun

tumor c (singular definite tumoren, plural indefinite tumorer)

1. (oncology) tumour

Declension

Declension of tumor

common gender	singular		plural
	indefinite	definite	indefinite	definite
nominative	tumor	tumoren	tumorer	tumorerne
genitive	tumors	tumorens	tumorers	tumorernes

Synonyms

• knude

Derived terms

• hjernetumor

References

• “tumor” in Den Danske Ordbog

Dutch

Etymology

From Old French tumour, from Latin tumor (“swelling”), from tumeō (“to bulge, swell”).

Pronunciation

• IPA^(key): /ˈty.mɔr/

• Audio:

  (file)

• Hyphenation: tu‧mor
• Rhymes: -ymɔr

Noun

tumor m (plural tumoren or tumors, diminutive tumortje n)

1. tumour, swelling

Synonyms

• gezwel

Derived terms

• hersentumor

Interlingua

Noun

tumor (plural tumores)

1. tumor

Related terms

• tumoric
• tumorose

Latin

Etymology

From tumeō (“to bulge; to swell”) +‎ -or.

Pronunciation

• (Classical Latin) IPA^(key): [ˈtʊ.mɔr]
• (modern Italianate Ecclesiastical) IPA^(key): [ˈtuː.mor]

Noun

tumor m (genitive tumōris); third declension

1. the state of being swollen
2. swelling; tumor

   Synonyms: tumentia, tumiditās

3. the swell of the sea
4. elevation or swelling in the ground

   Tumor ille locī permānsit, et altī collis habet speciem.

   That elevation of the place remained and it has the appearance of a high hill.

5. (figuratively) commotion; fermentation; excitement; arrogance
6. (rhetoric) bombast (inflated or pompous style)

Declension

Third-declension noun.

	singular	plural
nominative	tumor	tumōrēs
genitive	tumōris	tumōrum
dative	tumōrī	tumōribus
accusative	tumōrem	tumōrēs
ablative	tumōre	tumōribus
vocative	tumor	tumōrēs

Derived terms

• tumōrōsus

Related terms

• tumefaciō
• tumentia
• tumeō
• tumēscō
• tumidē
• tumiditās
• tumidō
• tumidōsus
• tumidulus
• tumidus
• tumulāmen
• tumulō
• tumulōsus
• tumulum
• tumulus

Descendants

• Catalan: tumor
• English: tumor, tumour
• French: tumeur
• Italian: tumore
• Portuguese: tumor
• Spanish: tumor
• Romanian: tumoare

References

• “tumor”, in Charlton T. Lewis and Charles Short (1879), A Latin Dictionary, Oxford: Clarendon Press
• “tumor”, in Charlton T. Lewis (1891), An Elementary Latin Dictionary, New York: Harper & Brothers
• "tumor", in Charles du Fresne du Cange, Glossarium Mediæ et Infimæ Latinitatis (augmented edition with additions by D. P. Carpenterius, Adelungius and others, edited by Léopold Favre, 1883–1887)
• “tumor”, in Gaffiot, Félix (1934), Dictionnaire illustré latin-français, Hachette.

Piedmontese

Alternative forms

• tümur

Pronunciation

• IPA^(key): /tyˈmur/

Noun

tumor m (plural tumor)

1. tumor

Portuguese

Etymology

Learned borrowing from Latin tumor.

Pronunciation

 

• (Brazil) IPA^(key): /tuˈmoʁ/ [tuˈmoh]

• (Brazil) IPA^(key): /tuˈmoʁ/ [tuˈmoh]
  • (São Paulo) IPA^(key): /tuˈmoɾ/
  • (Rio de Janeiro) IPA^(key): /tuˈmoʁ/ [tuˈmoχ]
  • (Caipira) IPA^(key): /tuˈmoɻ/

 

• (Portugal) IPA^(key): /tuˈmoɾ/

• (Portugal) IPA^(key): /tuˈmoɾ/
  • (Southern Portugal) IPA^(key): /tuˈmo.ɾi/

• Audio (Portugal (Porto)):

  (file)

• Rhymes: (Portugal, São Paulo) -oɾ, (Brazil) -oʁ
• Hyphenation: tu‧mor

Noun

tumor m (plural tumores)

1. (oncology, pathology) tumor (an abnormal growth)
2. boil (accumulation of pus)

   Synonyms: abcesso, furúnculo, pústula, carbúnculo, cisto, íngua, bubão

Descendants

• → Hunsrik: Tumoer

Further reading

• “tumor”, in Dicionário Aulete Digital (in Portuguese), Rio de Janeiro: Lexikon Editora Digital, 2008–2026
• “tumor”, in Dicionário Priberam da Língua Portuguesa (in Portuguese), Lisbon: Priberam, 2008–2026

Serbo-Croatian

Pronunciation

• IPA^(key): /tûːmor/
• Hyphenation: tu‧mor

Noun

tȗmor m inan (Cyrillic spelling ту̑мор)

1. tumor

Declension

Declension of tumor

	singular	plural
nominative	tumor	tumori
genitive	tumora	tumora
dative	tumoru	tumorima
accusative	tumor	tumore
vocative	tumoru	tumori
locative	tumoru	tumorima
instrumental	tumorom	tumorima

Spanish

Etymology

From Latin tumor.

Pronunciation

• IPA^(key): /tuˈmoɾ/ [t̪uˈmoɾ]
• Rhymes: -oɾ
• Syllabification: tu‧mor

Noun

tumor m (plural tumores)

1. tumor

Derived terms

• antitumoral
• tumoral
• tumoroso

Further reading

• “tumor”, in Diccionario de la lengua española [Dictionary of the Spanish Language] (in Spanish), online version 23.8.1, Royal Spanish Academy [Spanish: Real Academia Española], 15 December 2025

Tagalog

Etymology

Borrowed from Spanish tumor, from Latin tumor.

Pronunciation

• (Standard Tagalog) IPA^(key): /tuˈmoɾ/ [t̪ʊˈmoɾ]
• Rhymes: -oɾ
• Syllabification: tu‧mor

Noun

tumór (Baybayin spelling ᜆᜓᜋᜓᜇ᜔)

1. tumor (US); tumour (UK)
2. boil

   Synonyms: pigsa, bukol

See also

• pamamaga
• baga

Further reading

• “tumor”, in Pambansang Diksiyonaryo | Diksiyonaryo.ph, 2018