They appear as round, white shadows on a chest X-ray or computerized tomography (CT) scan. Lung nodules are usually about 0.2 inch (5 millimeters) to 1.2 inches (30 millimeters) in size. A larger lung nodule, such as one that's 30 millimeters or larger, is more likely to be cancerous than is a smaller lung nodule.
meaning noun (OF WORD/WRITING/SIGN, ETC.) B1 [ C or U ] The meaning of something is what it expresses or represents: The word flight has two different meanings: a plane journey, and the act of running away. The meaning of his gesture was clear. His novels often have (a) hidden meaning.
The definition of a word is a letter or group of letters that has meaning when spoken or written. An example of a word is dog. The definition of a word is a letter or group of letters that has meaning when spoken or written. An example of a word is dog. The definition of a word is a letter or group of letters that has meaning when spoken or written. 1    An example of words are the seventeen sets of letters that are written to form this sentence.