mammillate

adjective

mam·​mil·​late
ˈmaməˌlāt
variants or mammillated or less commonly mamillate
-āt
or mamillated
-ātə̇d
1
: having nipples or small protuberances like nipples
2
a
: having the form of a bluntly rounded protuberance
b
usually mammillated : having a hummocky rock surface with many smoothly rounded knobs or mounds formed especially as a result of glacial erosion
the mammillated variety of glaciated surfaceC. A. Cotton

Word History

Etymology

Late Latin mammillatus, mamillatus, from Latin mammilla, mamilla breast, nipple + -atus -ate, -ated

First Known Use

1741, in the meaning defined at sense 1

Time Traveler
The first known use of mammillate was in 1741

The Ultimate Dictionary Awaits

Expand your vocabulary and dive deeper into language with Merriam-Webster Unabridged.

  1. Expanded definitions
  2. Detailed etymologies
  3. Advanced search tools
  4. All ad-free

Discover what makes Merriam-Webster Unabridged the essential choice for true word lovers.

Start Your Free Trial Now

Dictionary Entries Near mammillate

Cite this Entry

“Mammillate.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/mammillate. Accessed 21 Dec. 2024.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!