Spissitude

The cause is, for that it is over-moistened, and wanteth spissitude: and we have a merry saying, that they that go drunk to bed get daughters.

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When the juice of the poppy has been properly dried, that is rapidly, in a cool shade, and protected from dust, it possesses, at the spissitude of 70 per cent. (this is 30 of water) the following properties:...

Source: wiktionary

The ratio between spissitude and percentage strength of solution varies, however, with the temperature, as shown by Figure 7, higher temperatures showing less increase in spissitude with increasing percentage strengths than is the case with low temperatures.

Source: wiktionary

Bodies in and of themselves lack spissitude. But since, in nature, all bodies are permeated by spirit of some kind, the ability of a complex body to maintain its size indicates a certain, constant spissitude.

Source: wiktionary