ponderable
adjEtymology From ponder + -able.
1
Natural sciences, Physical sciences, Physics Having a detectable amount of matter; having a measurable mass.
- [T]he imponderability of heat did not appear to the philosophers of the eighteenth century to be a sufficient reason for excluding it from the list of chemical elements; and... there was... doubt... whether caloric was ponderable or not.1910, E. T. Whittaker, A History of the Theories of Aether and Electricity, Dublin University Press, published 1910, page 35:
2
Worthy of note; significant, interesting.
3
Rare Heavy; ponderous.
- The very mother's head you swore by in the dock is a heavier head, crowned with ponderable hair.1936, Djuna Barnes, Nightwood, Faber & Faber, published 2007, page 77:
- Synonyms
- massive, eminent, noteworthy, hefty, weighty
- Derived terms
- imponderable, ponderability, ponderableness, ponderably