Nodule: meaning, definitions and examples

Typically used in medical or botanical contexts, a small, rounded mass that often forms on or within a biological structure, such as a plant root or in human tissue. Usually not inherently alarming.

• The doctor found a nodule on her thyroid during the examination.
• The plant's roots had tiny nodules housing beneficial bacteria.

Often used casually or colloquially to describe a mass or swelling under the skin or within bodily tissues. Might carry a connotation of concern but not as severe as 'tumor'.

• He found a small lump on his leg and got worried.
• The bread dough had some lumps that needed to be kneaded out.

Can refer to any increment in size or mass, from biological tissue to an increase in population or economic activity. It can be positive or negative depending on context.

• There was a significant growth in the local economy last year.
• She noticed a growth on her arm and decided to see a doctor.

A medical term describing an abnormal mass of tissue caused by an overgrowth of cells. It carries a serious and often negative connotation, as it can be malignant (cancerous) or benign (non-cancerous).

• The biopsy confirmed that the tumor was benign.
• She was diagnosed with a malignant tumor and started treatment immediately.

A repeated word, already described above.

A rounded projection or lump, often used to describe a handle or a small, rounded protrusion on objects. Neutral connotation.

• She turned the brass knob to open the door.
• The dresser had elegant knobs on each drawer.

A rounded, knotty growth on the trunk of a tree, often prized in woodworking for its unique and attractive patterns. Neutral to positive in connotation.

• The woodcarver found a large burl on the old oak tree.
• Furniture made from burl wood is highly valued for its beauty.

An object that sticks out from something else, often used in a more formal or technical context. Neutral to slightly negative connotation.

• The turtle had a noticeable protuberance on its shell.
• The scientist noted a protuberance on the surface of the rock.