The Collaborative International Dictionary
Vegetation of salts
Vegetation \Veg`e*ta"tion\, n. [Cf. F. v['e]g['e]tation, L. vegetatio an enlivening. See Vegetable.]
The act or process of vegetating, or growing as a plant does; vegetable growth.
The sum of vegetable life; vegetables or plants in general; as, luxuriant vegetation.
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(Med.) An exuberant morbid outgrowth upon any part, especially upon the valves of the heart.
Vegetation of salts (Old Chem.), a crystalline growth of an arborescent form.
Wiktionary
vegetation of salts
n. (context chemistry obsolete English) A crystalline growth of an arborescent form.