Standard Lemma guide

tumor

noun · 2 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

Each Play button uses your device's default local English voice, or a natural local fallback. The selected voice name appears after playback. This is synthesized speech, not a source recording.

  • UK: /tjuː.mə/
  • US: /tuː.məɹ/
  • UK: /tɪʊ̯.məɾ/
  • rhymes with -uːmə(ɹ)
  • UK: Recorded audio is listed in the source snapshot.
  • CMU ARPABET: T UW1 M ER0 Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.

1

noun

Meaning 1

An abnormal growth; differential diagnosis includes abscess, metaplasia, and neoplasia.

Definition source: English Wiktionary via Wiktextract

Usage: US

Topics: medicine, oncology, pathology, sciences

Examples

  • a benign tumor
  • a malignant tumor
  • brain tumor
  • identify tumor
  • pancreatic tumor
  • remove a tumor
  • take a tumor
  • stomach tumor

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

an abnormal new mass of tissue that serves no purpose

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: tumour, neoplasm

Antonyms: none provided

Broader terms: growth

Narrower terms: acanthoma, skin tumor, angioma, benign tumor, benign tumour, nonmalignant tumor, nonmalignant tumour, nonmalignant neoplasm, blastoma, blastocytoma, embryonal carcinosarcoma, brain tumor, brain tumour, carcinoid, celioma, granuloma, lipoma, adipose tumor, malignant tumor, malignant neoplasm, metastatic tumor, meningioma, neurofibroma, neurilemoma, neuroma, pheochromocytoma, phaeochromocytoma, pinealoma, plasmacytoma, psammoma, sand tumor, teratoma

History

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.

Across languages

Translations

87 source translations are retained for this English entry.

  • Afrikaans: gewas — oncology, pathology: an abnormal growth
  • Arabic: وَرَم (waram) — oncology, pathology: an abnormal growth
  • Armenian: ուռուցք (uṙucʻkʻ) — oncology, pathology: an abnormal growth
  • Azerbaijani: şiş — oncology, pathology: an abnormal growth
  • Bashkir: шеш (şeş) — oncology, pathology: an abnormal growth
  • Bashkir: яман шеш (yaman şeş) — oncology, pathology: an abnormal growth
  • Belarusian: пухлі́на (puxlína) — oncology, pathology: an abnormal growth
  • Belarusian: во́пух (vópux) — oncology, pathology: an abnormal growth
  • Bulgarian: тумор (tumor) — oncology, pathology: an abnormal growth
  • Burmese: အကျိတ် (a.kyit) — oncology, pathology: an abnormal growth
  • Catalan: tumor — oncology, pathology: an abnormal growth
  • Chinese Mandarin: 腫瘤 /肿瘤 (zhǒngliú) — oncology, pathology: an abnormal growth
  • Chinese Mandarin: 瘤子 (liúzi) — oncology, pathology: an abnormal growth
  • Crimean Tatar: şişik — oncology, pathology: an abnormal growth
  • Czech: nádor — oncology, pathology: an abnormal growth
  • Danish: svulst — oncology, pathology: an abnormal growth
  • Danish: tumor — oncology, pathology: an abnormal growth
  • Dutch: tumor — oncology, pathology: an abnormal growth
  • Dutch: gezwel — oncology, pathology: an abnormal growth
  • Esperanto: tumoro — oncology, pathology: an abnormal growth
  • Estonian: kasvaja — oncology, pathology: an abnormal growth
  • Finnish: kasvain — oncology, pathology: an abnormal growth
  • French: tumeur — oncology, pathology: an abnormal growth
  • Galician: tumor — oncology, pathology: an abnormal growth
  • Georgian: სიმსივნე (simsivne) — oncology, pathology: an abnormal growth
  • German: Tumor — oncology, pathology: an abnormal growth
  • German: Geschwulst — oncology, pathology: an abnormal growth
  • Greek: όγκος (ógkos) — oncology, pathology: an abnormal growth
  • Ancient Greek: ἀθήρωμα (athḗrōma) — oncology, pathology: an abnormal growth
  • Ancient Greek: κανθύλη (kanthúlē) — oncology, pathology: an abnormal growth
  • Hindi: फुलाव (phulāv) — oncology, pathology: an abnormal growth
  • Hindi: नववर्धन (navvardhan) — oncology, pathology: an abnormal growth
  • Hindi: ट्यूमर (ṭyūmar) — oncology, pathology: an abnormal growth
  • Hungarian: daganat — oncology, pathology: an abnormal growth
  • Icelandic: æxli — oncology, pathology: an abnormal growth
  • Icelandic: hnútur — oncology, pathology: an abnormal growth
  • Irish: siad — oncology, pathology: an abnormal growth
  • Italian: tumore — oncology, pathology: an abnormal growth
  • Japanese: 腫瘍 (shuyō) — oncology, pathology: an abnormal growth
  • Kannada: ಗಂತಿ (ganti) — oncology, pathology: an abnormal growth
  • Kannada: ಗಡ್ಡೆ (gaḍḍe) — oncology, pathology: an abnormal growth
  • Kazakh: ісік (ısık) — oncology, pathology: an abnormal growth
  • Khmer: ដុំសាច់ (domsac) — oncology, pathology: an abnormal growth
  • Korean: 종양 (jong'yang) — oncology, pathology: an abnormal growth
  • Lao: ນໍ (nǭ) — oncology, pathology: an abnormal growth
  • Latin: tumor — oncology, pathology: an abnormal growth
  • Latvian: audzējs — oncology, pathology: an abnormal growth
  • Macedonian: тумор (tumor) — oncology, pathology: an abnormal growth
  • Malagasy: fivontosana — oncology, pathology: an abnormal growth
  • Malagasy: zihitra — oncology, pathology: an abnormal growth
  • Malay: ketumbuhan — oncology, pathology: an abnormal growth
  • Malay: tumor — oncology, pathology: an abnormal growth
  • Māori: tuma — oncology, pathology: an abnormal growth
  • Māori: koropuku — oncology, pathology: an abnormal growth
  • Norman: chancre — oncology, pathology: an abnormal growth
  • Persian: تومور (tumor) — oncology, pathology: an abnormal growth
  • Polish: guz — oncology, pathology: an abnormal growth
  • Polish: nowotwór — oncology, pathology: an abnormal growth
  • Polish: opuchlizna — oncology, pathology: an abnormal growth
  • Portuguese: tumor — oncology, pathology: an abnormal growth
  • Romanian: tumoare — oncology, pathology: an abnormal growth
  • Russian: о́пухоль (ópuxolʹ) — oncology, pathology: an abnormal growth
  • Scots: clyre — oncology, pathology: an abnormal growth
  • Scottish Gaelic: pluc — oncology, pathology: an abnormal growth
  • Scottish Gaelic: at — oncology, pathology: an abnormal growth
  • Serbo-Croatian: ту̑мор — oncology, pathology: an abnormal growth
  • Serbo-Croatian: tȗmor — oncology, pathology: an abnormal growth
  • Slovak: nádor — oncology, pathology: an abnormal growth
  • Spanish: tumor — oncology, pathology: an abnormal growth
  • Swedish: tumör — oncology, pathology: an abnormal growth
  • Tamil: கட்டி (kaṭṭi) — oncology, pathology: an abnormal growth
  • Tatar: шеш (şeş) — oncology, pathology: an abnormal growth
  • Thai: เนื้องอก (nʉ́ʉa-ngɔ̂ɔk) — oncology, pathology: an abnormal growth
  • Tibetan: སྐྲན (skran) — oncology, pathology: an abnormal growth
  • Turkish: tümör — oncology, pathology: an abnormal growth
  • Turkish: ur — oncology, pathology: an abnormal growth
  • Turkish: verem — oncology, pathology: an abnormal growth
  • Ottoman Turkish: شیش (şiş) — oncology, pathology: an abnormal growth
  • Ottoman Turkish: ورم (verem) — oncology, pathology: an abnormal growth
  • Ottoman Turkish: یومرو (yumru) — oncology, pathology: an abnormal growth
  • Ukrainian: пухли́на (puxlýna) — oncology, pathology: an abnormal growth
  • Ukrainian: о́пух (ópux) — oncology, pathology: an abnormal growth
  • Uzbek: shish — oncology, pathology: an abnormal growth
  • Vietnamese: u — oncology, pathology: an abnormal growth
  • Welsh: tiwmor — oncology, pathology: an abnormal growth
  • Yakut: искэн (isken) — oncology, pathology: an abnormal growth
  • ǃXóõ: gǁkxʻáã — oncology, pathology: an abnormal growth