silica pigment
61Titanium — This article is about the chemical element. For other uses, see Titanium (disambiguation). scandium ← titanium → vanadium …
62Ultraviolet — UV redirects here. For other uses, see UV (disambiguation). UVB redirects here. For the mysterious shortwave radio station in Russia, see UVB 76. For other uses, see Ultraviolet (disambiguation). False color image of the Sun s corona as seen in… …
63Golden algae — Dinobryon species from Shishitsuka Pond in Tsuchiura (Japan) Scientific classification Domain …
64AkzoNobel — Akzo Nobel N.V. Type Naamloze vennootschap Traded as Euronext:  …
65Cobalt glass — for decoration Cobalt glass is a deep blue colored glass prepared by adding cobalt compounds to the molten glass. It is appreciated for its attractive color. It is also used as an optical filter in flame tests to filter out the yellow flame… …
66chalk — chalklike, adj. /chawk/, n. 1. a soft, white, powdery limestone consisting chiefly of fossil shells of foraminifers. 2. a prepared piece of chalk or chalklike substance for marking, as a blackboard crayon. 3. a mark made with chalk. 4. a score or …
67Rosales — ▪ plant order Introduction the rose order of dicotyledonous flowering plants, containing 9 families, 261 genera, and more than 7,700 species. Rosales, which is in the Rosid I group among the core eudicots, is related to other orders with members …
68ring — 1. A circular band surrounding a wide central opening; a r. shaped or circular structure surrounding an opening or level area. SYN: anulus [TA]. 2. The closed ( i.e., endless) chain of atoms in a cyclic compound; commonly used for “cyclic” or… …
69siderosis — 1. A form of pneumoconiosis due to the presence of iron dust. 2. Discoloration of any part by disposition of a pigment containing iron; usually called hemosiderosis. 3. An excess of iron in the circulating blood. 4 …
70smalt — [smôlt] n. [Fr < It smalto < Frank * smalt < WGmc base of OHG smelzan, to melt: see SMELT2] 1. deep blue glass prepared from silica, potash, and oxide of cobalt: used, in pulverized form, as a pigment 2. pigment made in this way 3. its… …
