tumor
C1Technical/Medical, but widely understood in general contexts.
Definition
Meaning
An abnormal mass of tissue resulting from uncontrolled cell division; a growth.
Used figuratively to describe a problem or undesirable element that grows uncontrollably within a system, organization, or society.
Linguistics
Semantic Notes
In American English, 'tumor' covers both benign and malignant growths, with context or modifiers (e.g., 'benign tumor,' 'malignant tumor') specifying nature. In British English, 'tumour' is the standard spelling.
Dialectal Variation
British vs American Usage
Differences
Spelling: 'tumour' (UK), 'tumor' (US). No difference in meaning.
Connotations
Primarily medical/clinical, carries serious and often negative connotations due to association with cancer.
Frequency
High frequency in medical and health-related discourse; moderate frequency in general news and everyday conversation.
Vocabulary
Collocations
Grammar
Valency Patterns
[Patient] has/had a tumor.[Doctor] removed/treated the tumor.The tumor [verb: grew, shrank, metastasized].Vocabulary
Synonyms
Strong
Neutral
Weak
Vocabulary
Antonyms
Phrases
Idioms & Phrases
- “A tumor on the body politic”
Usage
Context Usage
Business
Rarely used; might appear metaphorically: 'That debt is a tumor on the company's finances.'
Academic
Common in medical, biological, and health sciences research.
Everyday
Used in discussions about health, illness, and medical news.
Technical
Precise term in oncology, pathology, and radiology.
Examples
By Part of Speech
verb
British English
- The cells began to tumour aggressively.
- (Rare, technical)
American English
- (The verb form is exceedingly rare; 'to tumor' is not standard.)
adverb
British English
- (No standard adverbial form)
American English
- (No standard adverbial form)
adjective
British English
- The tumour burden was significant.
- (Compound/modifier use)
American English
- The tumor microenvironment is complex.
- (Compound/modifier use)
Examples
By CEFR Level
- The doctor found a small tumor.
- Her scan showed a benign tumor, so she wasn't too worried.
- Early detection of the tumor allowed for successful surgical removal.
- The research focuses on the tumor's genetic mutations and its resistance to conventional therapies.
Learning
Memory Aids
Mnemonic
Think of 'Tumor' growing 'Too More' than it should.
Conceptual Metaphor
A TUMOR IS AN UNWANTED GROWTH / A TUMOR IS A PARASITE (draining resources, harming the host).
Watch out
Common Pitfalls
Translation Traps (for Russian speakers)
- Do not confuse with 'опухоль' (general swelling/inflammation). Tumor is specifically a neoplasm ('новообразование' or 'опухоль' in medical sense).
- Avoid direct calque 'tumour' -> 'тумор' – it doesn't exist in Russian.
Common Mistakes
- Incorrect: 'He has a tumor cancer.' Correct: 'He has a malignant tumor.' or 'He has cancer.'
- Incorrect use of article: 'He has tumor.' Correct: 'He has a tumor.'
Practice
Quiz
Which spelling is standard in British English?
FAQ
Frequently Asked Questions
No. Tumors can be benign (non-cancerous) or malignant (cancerous). Only malignant tumors are cancers.
The spelling: 'tumour' (UK) vs. 'tumor' (US). Pronunciation also differs slightly (/ˈtjuːmə/ vs. /ˈtuːmər/).
Yes, it can describe a harmful or corrupting element that grows within a system, e.g., 'Corruption is a tumor on society.'
'Tumorous' is possible but rare. More commonly, 'neoplastic' is the precise medical adjective. 'Tumor' is often used as a modifier (e.g., tumor cells, tumor growth).