Definition from Wiktionary, the free dictionary
- (rare) Pertaining to accession; additional.
(Can we date this quote?), Sir Thomas Browne, (Please provide the title of the work):
- Again, whereas men affirm they perceive an addition of ponderosity in dead bodies, comparing them usually unto blocks and stones, whensoever they lift or carry them; this accessional preponderancy is rather in appearance than reality.