What does lobulated mean?
Lobulated means divided into lobes, or rounded and irregular sections of a larger structure. The word is especially common in anatomy, biology, and medical description: a lobulated organ or mass is one that appears to consist of several connected sections rather than a single uniform form. It is more precise than simply describing something as irregular, because it suggests a particular organization into lobules. In nontechnical contexts, “lobulated” can describe leaves, clouds, landscapes, or other forms with a divided outline. Although the word is most often encountered in specialist writing, it is fully standard English and can add visual precision when describing the shape of an object. The related terms “lobate,” “lobed,” and “lobular” are close alternatives, but “lobulated” is particularly appropriate when emphasizing the presence of multiple distinct sections.
adjectiveHaving or consisting of lobes; divided into rounded or irregularly shaped sections called lobules. In anatomy and biology, it describes structures whose parts are arranged in distinct lobes.
- Divided into lobes or lobules; composed of distinct rounded or irregular sections.
"The liver has a large, smooth lobe on the right and a smaller lobulated portion on the left."
"The radiologist noted a lobulated mass in the patient's left kidney."
"The plant's lobulated leaves distinguish it from the smooth-leaved varieties nearby."
A lobulated organ looks divided into rounded sections, turning a single structure into a family of carefully arranged parts.
Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.
Where does lobulated come from?
The word derives from “lobe,” which comes from Greek lobos, meaning a division or rounded projection. Adding the Latin-derived suffix “-ulate” and the adjective ending “-ed” produced “lobulated,” meaning “provided with or divided into lobes.” The same Greek root is reflected in English terms such as “lobular,” “lobule,” “lobar,” and “lobectomy.”
Related word forms
How lobulated is actually used
The term is especially common in technical and medical description, where it indicates a structure divided into recognizable lobes. It is also used more generally in anatomy, biology, and descriptive writing.
Easily confused with lobulated
Lobulated describes a structure that is divided into lobes, whereas lobular refers more specifically to its lobule-based or finely divided organization.