of, relating to, or resembling a mammilla.
- in·ter·mam·mil·lar·y, adjective
- post·mam·mil·lar·y, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use mammillary in a sentence
These geodes, on breaking, often present a mammillary surface.Summary Narrative of an Exploratory Expedition to the Sources of the Mississippi River, in 1820 | Henry Rowe Schoolcraft
It occurs in mammillary rounded masses, with a fibrous structure, and a dull metallic lustre.Geology | James Geikie
Much haematite occurs in a compact or massive form, often mammillary, and presenting on fracture a fibrous structure.
A considerable number of the prehistoric dress-fasteners, known as mammillary fibulæ, have been discovered in Ireland.Jewellery | H. Clifford Smith,
These are of a circular and mammillary form: they are strewed thickly, like little islets, approximating to each other.Remarks on some fossil impressions in the sandstone rocks of Connecticut River | John Collins Warren