an abnormal mass of tissue that results from excessive cell division and growth, a swelling on a plant, especially one caused by infection or injury

brain tumor, malignant tumor, tumor marker

Formal and Informal Expressions of tumor

In different contexts, you can replace 'tumor' with suitable alternatives. In a more formal setting, 'neoplasm' is apt. In informal speech or writing, 'growth, lump' is a commonplace synonym.

tumor: Explore its Definition & Usage

tumor Definition

1an abnormal mass of tissue that results from excessive cell division and growth
2a swelling on a plant, especially one caused by infection or injury

Using tumor: Examples

Take a moment to familiarize yourself with how "tumor" can be used in various situations through the following examples!

Example
The tumor was benign and did not require surgery.
Example
The doctor ordered a biopsy to determine if the tumor was cancerous.
Example
The plant had a tumor on its stem due to a fungal infection.

tumor Synonyms and Antonyms

Synonyms for tumor

Phrases with tumor

brain tumor
an abnormal growth of cells in the brain
Example
The patient's headaches were caused by a brain tumor.
malignant tumor
a cancerous growth that can spread to other parts of the body
Example
The biopsy revealed that the tumor was malignant.
tumor marker
a substance produced by a tumor that can be detected in the blood or urine
Example
The doctor ordered a test to check for tumor markers.

📌

Summary: tumor in Brief

A 'tumor' [ˈtjuːmə(r)] is an abnormal mass of tissue resulting from excessive cell growth. It can be benign or cancerous, as in 'The doctor ordered a biopsy to determine if the tumor was cancerous.' 'Tumor' also refers to plant swelling, as in 'The plant had a tumor on its stem due to a fungal infection.' Phrases like 'brain tumor' and 'malignant tumor' specify types of tumors.