Real Dictionary

tumour
a large coherent body of matter without a definite shape [...]
a person or thing that suppresses [...]
a position or degree in a scale, as of quality, rank, size, or progression [...]
a small simple room, as in a prison, convent, or monastery; cubicle [...]
a unit of heredity composed of DNA occupying a fixed position on a chromosome (some viral genes are composed of RNA). A gene may determine a characteristic of an individual by specifying a polypeptide chain that forms a protein or part of a protein ( stru
an element or cause that contributes to a result [...]
any abnormal swelling [...]
any of a large group of nitrogenous compounds of high molecular weight that are essential constituents of all living organisms. They consist of one or more chains of amino acids linked by peptide bonds and are folded into a specific three-dimensional shap
general appearance or outline [...]
rapid growth or reproduction of new parts, cells, etc [...]
something that is carried; load [...]
the act of initiating or the condition of being initiated [...]
the act of invading with armed forces [...]
the act of progressing; advancement [...]
the act or process of suppressing or the condition of being suppressed [...]
the adoption by an adult or adolescent of behaviour more appropriate to a child, esp as a defence mechanism to avoid anxiety [...]
the arrangement of blood vessels in the body or a part of the body [...]
the death of one or more cells in the body, usually within a localized area, as from an interruption of the blood supply to that part [...]
the environment of a small area, such as that around a leaf or plant [...]
the first letter in the Greek alphabet (Α, α), a vowel transliterated as a [...]
the gel-like matrix of chloroplasts and certain cells [...]
the induction of blood-vessel growth, often in association with a particular organ or tissue, or with a tumour [...]
the process or act of growing, esp in organisms following assimilation of food [...]
the spreading of a disease, esp cancer cells, from one part of the body to another [...]
countable noun: A tumour is a mass of diseased or abnormal cells that has grown in a person's or animal's body.