What does "ponderability" mean?

The fact of having a detectable weight or mass.

What is a synonym for "ponderability"?

Common synonyms include: avoirdupois, beef, body, deadweight, density, durability.

noun

noun ·Rare ·Advanced level

Noun

1
The fact of having a detectable weight or mass. countable, uncountable
"In an age that had accepted imponderable fluids of electricity, magnetism, and even of vitality, attachment to ponderability was not an essential."
2
Amenability to consideration or thought. countable, uncountable

"In an age that had accepted imponderable fluids of electricity, magnetism, and even of vitality, attachment to ponderability was not an essential."

From ponderable + -ity. Compare French pondérabilité.