- arsenic yellows
- • двуарсенов петоокис
English-Bulgarian polytechnical dictionary . 2013.
English-Bulgarian polytechnical dictionary . 2013.
environment — environmental, adj. environmentally, adv. /en vuy reuhn meuhnt, vuy euhrn /, n. 1. the aggregate of surrounding things, conditions, or influences; surroundings; milieu. 2. Ecol. the air, water, minerals, organisms, and all other external factors… … Universalium
Natural dye — Skeins of wool colored with natural plant dyes. Natural dyes are dyes or colorants derived from plants, invertebrates, or minerals. The majority of natural dyes are vegetable dyes from plant sources – roots, berries, bark, leaves, and … Wikipedia
Orpiment — General Category Sulfide mineral Chemical formula … Wikipedia
Pharmacosiderite — General Category Arsenate minerals Chemical formula KFe4(AsO4 … Wikipedia
E number — This article is about the food additive codes. For other uses, see E number (disambiguation). E numbers are number codes for food additives that have been assessed for use within the European Union (the E prefix stands for Europe ).[1] They are… … Wikipedia
Herbalism — Alternative medical systems Acupuncture · Anthroposophic medicine · Ayurveda · Chiropractic … Wikipedia
Oil paint — View of Delft in oil paint, by Johannes Vermeer. Oil paint is a type of slow drying paint that consists of particles of pigment suspended in a drying oil, commonly linseed oil. The viscosity of the paint may be modified by the addition of a… … Wikipedia
Otter Hole — Location St Arvans, Monmouthshire, Wales Depth 60m Length 3.352km Geology Limestone Number of entrances 1, ac … Wikipedia
acid — I (New American Roget s College Thesaurus) adj. sour, bitter, tart, vinegary; acrimonious, cutting, caustic. See sourness, discourtesy. Ant., sweet, bland; basic. II (Roget s IV) modif. 1. [Having the characteristics of an acid] Syn. sharp, tart … English dictionary for students