Minerals: MINERALS min'-er-alz. See METALS; STONES, PRECIOUS. min'-er-alz. See METALS; STONES, PRECIOUS. [100%] 1915-01-01
Minerals: Minerals are naturally occurring chemical compounds, usually of crystalline form and not produced by life processes. A mineral has one specific chemical composition, whereas a rock can be an aggregate of different minerals or mineraloids. [100%] 2024-01-03 [Mineralogy]
Lead: Lead, symbol Pb, known as plumbum in Latin, is a heavy metal. It is element number 82 in the Periodic Table. [97%] 2023-12-11 [Alternative medicine] [Chemicals]...
Lead: Lead is a chemical element with the atomic number of 82. It is a dense metal which has been used for pipes, hence its symbol 'Pb', short for the Latin 'plumbum', or pipe. [97%] 2023-02-09 [Elements] [Metals]...
Lead: Lead is a chemical element; it has symbol Pb (from Latin plumbum) and atomic number 82. It is a heavy metal that is denser than most common materials. (Chemical element with atomic number 82) [97%] 2023-11-27 [Lead] [Chemical elements]...
Lead: Lead, a metallic chemical element; its symbol is Pb, and atomic weight 207. This metal was known to the ancients, and is mentioned in the Old Testament. The Romans used it largely, as it is still used, for the making ... [97%] 2022-09-02
Lead: Lead is a chemical element, typically found as a solid in its elemental form. It has the chemical symbol Pb (from the Latin plumbum), atomic number (number of protons) Z = 82, and a standard atomic weight of 207.2 g ... [97%] 2023-12-11
Lead (sea ice): A lead (/ˈliːd/, rhymes with "reed") is a large fracture within an expanse of sea ice, defining a linear area of open water that can be used for navigation purposes. Leads vary in width from meters to hundreds of meters. (Sea ice) [97%] 2024-01-02 [Sea ice]
Lead: Lead (chemical symbol Pb, atomic number 82) is a soft, heavy metal. Bluish white when freshly cut, it tarnishes to dull gray when exposed to air. It is widely available and can be readily converted into various shapes. For these ... [97%] 2023-02-03
Lead: LEAD led (`ophereth): Lead was one of the first metals to be used in the free state, probably because it was so easily obtained from its ores. Lead was found in ancient times in Egypt and the Sinaitic peninsula. There ... [97%] 1915-01-01
Lead: Lead is a chemical element with symbol Pb (from the Latin plumbum) and atomic number 82. It is a heavy metal that is denser than most common materials. (Chemistry) [97%] 2023-12-12 [Lead] [Chemical elements]...
Lead (electronics): In electronics, a lead (/ˈliːd/) is an electrical connection consisting of a length of wire or a metal pad (surface-mount technology) that is designed to connect two locations electrically. Leads are used for many purposes, including: transfer of power ... (Engineering) [97%] 2023-11-29 [Electrical components]
Lead(II,IV) oxide: Lead(II,IV) oxide, also called red lead or minium, is the inorganic compound with the formula \ce{ Pb3O4 }[/math]. A bright red or orange solid, it is used as pigment, in the manufacture of batteries, and rustproof primer paints. (II,IV) [97%] 2023-11-04 [Corrosion inhibitors] [Inorganic pigments]...
Lead (engineering): Lead is the axial advance of a helix or screw during one complete turn (360°) The lead for a screw thread is the axial travel for a single revolution. Pitch is defined as the axial distance between adjacent threads on ... (Engineering) [97%] 2024-01-03 [Gears] [Screws]...
Lead (geology): A lead in hydrocarbon exploration, is a subsurface structural or stratigraphic feature with the potential to have entrapped oil or natural gas. When exploring a new area, or when new data becomes available in existing acreage, an explorer will carry ... (Earth) [97%] 2023-11-29 [Structural geology]
Lead (Dakota du Sud): Pour les articles homonymes, voir Lead. Cet article est une ébauche concernant une localité du Dakota du Sud. (Dakota du Sud) [97%] 2024-05-23
Lead (curling): In curling, the lead is the person who delivers the first two stones of the end for their team. On most teams, where the lead does not act as skip or vice, the lead will sweep for each of their ... (Curling) [97%] 2024-10-01 [Curling terminology]
Lead (鈴木このみのアルバム): 『lead』(リード)は、鈴木このみのアルバム。2017年3月8日にKADOKAWA/メディアファクトリーから発売された。 販売形態は、豪華ブックレット入り初回限定盤(ZMCZ-10978)と通常盤(ZMCZ-10979)の2種類。. (鈴木このみのアルバム) [97%] 2024-10-07 [鈴木このみのアルバム] [2017年のアルバム]...
Mineral: The molecules of a mineral usually are arranged in a regular pattern, and may grow in a regular, visible, crystalline structure. When they do, they are often beautiful in appearance. [85%] 2023-03-14 [Mineralogy] [Soil]...