How to pronounce“alum”in English
nouneven as alumni you're eligible for i believe one or two coaching sessions um per month and so or per year and as an
alum i also still use the resources like for example one of my coaches was the founder and ceo of a company
that like in some ways does a lot of things that are similar to what we're doing but like you know many stages ahead new sector alliance and so she's just a great social
All Video Occurrences for “alum” (50)Noun clips
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Definitions of “alum”
An astringent salt, usually occurring in the form of pale crystals, much used in the dyeing and tanning trade and in certain medicines, and now understood to be a double sulphate of potassium and aluminium (K₂SO₄·Al₂(SO₄)₃·24H₂O).
“Venice also needed alum for trade, since it was the point of departure for overland transportation of alum to southern Germany and its cloth-manufacturing Free Cities.”
Any similar double sulphate in which either or both of the potassium and aluminium is wholly or partly replaced by other univalent or tervalent cations.
“With weld and cochineal, which are colouring matters the most sensible to the action of sulphate of iron, the purified alums gave us colours more brilliant, fresh, and in a slight degree lighter; while those with our common alums were all duller, and evidently of a deeper hue.”
To steep in, or otherwise impregnate with, a solution of alum; to treat with alum.
“The silk should be boiled at the rate of 20 parts of soap per cent. , and then alumed. The aluming need not be so strong as for the fine crimson”
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