ponderabilityn.

1682 R. Boyle New Exper. Icy Noctiluca 133/4 But the Experiment, I have delivered, of the Ponderability of Flame, prove only that some of its Particles may combine with heavy Bodies.

1732 tr. H. Boerhaave Elements Chymistry I. 83 Fire..is not heavy. Boyle wrote on its ponderability.

1794 G. Adams Lect. Nat. & Exper. Philos. III. 48 A wrong idea of that power constituting ponderability.

1846 M. Faraday Exper. Res. xlix. 368 Let us not be confused by the ponderability and gravitation of heavy matter.

1890 R. H. Hutton Newman (1891) v. 61 The ponderability of the atmosphere.

1914 W. D. Howells Seen & Unseen at Stratford-on-Avon vii. 55 Bacon ended, closing and dropping the volume, which instantly resumed its ponderability and fell to the ground with a heavy thud.

1992 P. Kitcher Advancement of Sci. vii. 277 Accounts of some experiments are committed to the ponderability of phlogiston.

1928 F. L. Wells in C. M. Child et al. Unconscious viii. 209 The psychoanalyst comes to see the world in terms of libido or a synonym, the psychometrician to see it in terms of IQ. The latter has an advantage in ponderability.

1940 J. B. Cabell Hamlet had Uncle viii. 45 It was a notion to which Fengon, after weighing it, could not grant ponderability.

2000 Jrnl. Contemp. Hist. 35 469 Modernist thought..counted on a degree of intelligibility, ponderability, substance, accessible to all.