ruggedness
noun
- state of roughness, unevenness, tempestuousness
- state of being hardy or sturdy
Wiktionary
noun
Etymology: Etymology tree English rugged Proto-Germanic *-inōną Proto-Indo-European *-dyé- Proto-Germanic *-atjaną Proto-Indo-European *-tus Proto-Germanic *-þuz Proto-Germanic *-assuz Proto-Germanic *-inassuz Proto-West Germanic *-nassī Old English -nes Middle English -nesse English -ness English ruggedness From rugged + -ness.
- The state of being rugged, or degree to which something is rugged.
- A rugged or irregular feature.
“The surface of which […] could not nevertheless hide a multitude of holes and scratches and ruggednesses from being discover'd by the Microscope to invest it […].”