calcined+potash
51Smalt — Smalt, n. [It. smalto, LL. smaltum; of Teutonic origin; cf. OHG. smalz grease, butter, G. schmalz grease, OHG. smelzan to melt, G. schmelzen. See {Smelt}, v. t., and cf. {Amel}, {Enamel}.] A deep blue pigment or coloring material used in various… …
52To burn the midnight oil — Oil Oil (oil), n. [OE. oile, OF. oile, F. huile, fr. L. oleum; akin to Gr. ?. Cf. {Olive}.] Any one of a great variety of unctuous combustible substances, more viscous than and not miscible with water; as, olive oil, whale oil, rock oil, etc.… …
53Volatle oils — Oil Oil (oil), n. [OE. oile, OF. oile, F. huile, fr. L. oleum; akin to Gr. ?. Cf. {Olive}.] Any one of a great variety of unctuous combustible substances, more viscous than and not miscible with water; as, olive oil, whale oil, rock oil, etc.… …
54Alkali — In chemistry, an alkali (from Arabic: Al Qaly القلي, القالي ) is a basic, ionic salt of an alkali metal or alkaline earth metal element. Alkalis are best known for being bases (compounds with pH greater than 7) that dissolve in water. The… …
55Cerium — lanthanum ← cerium → praseodymium ↑ Ce ↓ Th …
56Solvay process — The Solvay process, also referred to as the ammonia soda process, is the major industrial process for the production of soda ash (sodium carbonate). The ammonia soda process was developed into its modern form by Ernest Solvay during the 1860s.… …
57enamelwork — e·nam·el·work (ĭ nămʹəl wûrk ) n. 1. Decorative work done in enamel. 2. Enamelware. * * * Metal objects decorated with an opaque glaze fused to the surface by intense heat. The resulting surface is hard and durable and can be brilliantly… …
