melanoma
UK[ˌmeləˈnəʊmə]US[ˌmeləˈnoʊmə]
n
a type of skin cancer that develops from pigment-producing cells (melanocytes).
Morpheme Breakdown
melan
oma
melan
black, dark
oma
tumor, mass
Etymology
the word melanoma is a modern medical term constructed directly from ancient greek components to describe a specific disease entity. the root melan- originates from the proto-indo-european root melh₂-, meaning "dark, black," which is evident in the dark pigment, melanin, produced by the affected cells. the suffix -oma is a greek nominal suffix historically used to indicate the result of a process, often a morbid growth or tumor. thus, the term's literal construction, "black tumor," logically and vividly describes the characteristic dark appearance of this cancer, which often arises from pre-existing moles. this etymological transparency allows the medical term to maintain a direct descriptive link to its clinical presentation.
Analysis
Structure: melan (black, dark) + oma (tumor, mass)
melan: from greek melas (genitive melanos), meaning "black, dark". it functions as the root conveying the core semantic element of dark pigment.
oma: from greek -ōma, a suffix used to form nouns denoting tumors, swellings, or morbid growths. it functions as the suffix specifying the type of pathological condition.
Examples
the dermatologist performed a biopsy on the suspicious mole to rule out melanoma.
excessive exposure to ultraviolet radiation is a major risk factor for developing melanoma.
early detection of melanoma significantly improves the chances of successful treatment.