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Webster 1913 Edition

Adj.

[See 4th

Gravitating; heavy.

[Obs.]

Dr. H. More.

Adj.

Gravitating; heavy. [Not in use.]

pressitant ‎(comparative more pressitant, superlative most pressitant)

(obsolete) gravitating; heavy
- 1743, Henry More
  […] neither the celestial matter of the vortices nor the air nor water are pressitant in their proper places […]