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Guillaume François Rouelle (1703–1770) was a French chemist and apothecary. In 1754 he introduced the concept of a base into chemistry, as a substance which reacts with an acid to give it solid form ( ...
Definition
Holbein es un apellido de origen germánico. Al parecer el significado original habría sido un mote: "pata hueca" (Hol- + Bein), sin embargo, también podría haber originalmente significado &q ...
Definition
Embroidery is the life or handicraft of decorating fabric or other materials with needle and thread or yarn. Embroidery may also incorporate other materials such as metal strips, pearls, beads, quills ...
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