单词 | mother of |
释义 | > as lemmasmother of — ΘΚΠ the world > matter > chemistry > crystallography (general) > crystallization > [noun] > the liquid left after mother1611 mother-water1651 mother liquor?1698 mother liquid1830 1611 J. Florio Queen Anna's New World of Words at Acqua Maestra The master-water. Salt-peeter men call it mother of Salt peeter. 1673 J. Ray Coll. Eng. Words 136 (Manner of making Vitriol) The liquor that remains after the vitriol is crystallized, they call the mother. 1679 Philos. Trans. 1677 (Royal Soc.) 12 1055 When the Work is begun, and Alum once made, then they save the Liquour which comes from the Alum, or wherein the Alum shoots, which they call Mothers. 1681 N. Grew Musæum Regalis Societatis iii. §iii. i. 343 The Lee after the first shooting of the Alum; is called Mothers. 1758 A. Reid tr. P. J. Macquer Elements Theory & Pract. Chym. I. 240 Evaporate and crystallize... Repeat the same operation till the liquor will yield no more crystals: it will then be very thick, and goes by the name of Mother of Nitre. 1839 Penny Cycl. XV. 448/1 Mother-water. When any saline solution has been evaporated so as to deposit crystals on cooling, the remaining solution is termed the mother-water, or sometimes merely the mothers. < as lemmas |
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