Virtuall

[H]is ſenſes flame / Flovv'd from his parts, vvith force ſo virtuall, / It fir'd vvith ſence things meere inſenſuall.

Source: wiktionary

Take an Apple, &c. and pricke it vvith a Pin full of Holes, not deepe, and ſmeare it a little vvith Sacke, or Cinnamon vvater, or Spirit of vvine, euery day for ten dayes, to ſee if the Virtuall Heat of the VVine, or Strong VVaters, vvill not Mature it.

Source: wiktionary

VVater, being contiguous vvith Aire, Cooleth it, but Moiſteneth it not, except it Vapour. The Cauſe is, for that Heat, and Cold haue a Virtuall Tranſition, vvithout Communication of Subſtance; but Moiſture not: […]

Source: wiktionary