Lead (pronounced "led") 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...

Lead poisoning, also known as plumbism and saturnism, is a type of metal poisoning caused by lead in the body. Symptoms may include abdominal pain, constipation...

Lead–lead dating is a method for dating geological samples, normally based on 'whole-rock' samples of material such as granite. For most dating requirements...

The lead vocalist in popular music is typically the member of a group or band whose voice is the most prominent melody in a performance where multiple...

A lead-in is a short phrase, usually five words or less, that starts off a photo caption in a newspaper, high school yearbook, magazine or other publication...

marketing, lead generation (/ˈliːd/) is the process of creating consumer interest or inquiry into the products or services of a business. A lead is the contact...

January 1888 or 1889 – December 6, 1949), better known by the stage name Lead Belly (not Leadbelly), was an American folk and blues singer notable for...

Lead glass, commonly called crystal, is a variety of glass in which lead replaces the calcium content of a typical potash glass. Lead glass contains typically...

Lead sulfide refers to two compounds containing lead and sulfur: Lead(II) sulfide, PbS, containing lead in the +2 oxidation state, naturally occurring...

Lead guitar (also known as solo guitar) is a musical part for a guitar in which the guitarist plays melody lines, instrumental fill passages, guitar solos...

developers. Alternative titles include development lead, technical lead, lead programmer, or lead application developer. When primarily contributing a...

In some types of partner dance, lead and follow are designations for the two dancers' roles in a dance pairing. The leader is responsible for guiding the...

Lead paint or lead-based paint is paint containing lead. As pigment, lead(II) chromate (PbCrO 4, "chrome yellow"), lead(II,IV) oxide, (Pb 3O 4, "red lead")...

Lead On is the fifteenth studio album by American country music artist George Strait. Released in 1994 on MCA Records, the album was certified platinum...

The lead ship, name ship, or class leader is the first of a series or class of ships that are all constructed according to the same general design. The...

The lead–acid battery is a type of rechargeable battery first invented in 1859 by French physicist Gaston Planté. It is the first type of rechargeable...

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....

A lead paragraph (sometimes shortened to lead; in the United States sometimes spelled lede) is the opening paragraph of an article, book chapter, or other...

Years of Lead is a phrase used in several countries to refer to periods of history marked by military repression, political violence or terrorism. Years...

where Ac represents the acetyl group. Like many other lead compounds, it causes lead poisoning. Lead acetate is soluble in water and glycerin. With water...

Lead(IV) oxide, commonly known as lead dioxide, is an inorganic compound with the chemical formula PbO2. It is an oxide where lead is in an oxidation state...

Lead acetate can refer to: Lead subacetate (Basic lead acetate), Pb3(OH)4(CH3COO)2 Lead(IV) acetate (plumbic acetate), Pb(CH3COO)4 Lead(II) acetate (lead...

Lead tetrafluoride is a compound of lead and fluorine. The yellow solid (melting point 600 °C) is the only room-temperature stable tetrahalide of lead...

Lead (82Pb) has four observationally stable isotopes: 204Pb, 206Pb, 207Pb, 208Pb. Lead-204 is entirely a primordial nuclide and is not a radiogenic nuclide...

Lead pencil may refer to: Pencil, a writing implement or art medium usually constructed of a narrow, solid pigment core inside a protective casing Mechanical...

Lead climbing (or leading) is a technique in rock climbing where the 'lead climber' clips their rope to the climbing protection as they ascend a pitch...

Lead(II) carbonate is the chemical compound with the chemical formula PbCO3. It is a white, toxic solid. It occurs naturally as the mineral cerussite....

A lead time is the latency between the initiation and completion of a process. For example, the lead time between the placement of an order and delivery...

In politics, a lead candidate (German: Spitzenkandidat; Dutch: lijsttrekker, lit. 'list puller') is the candidate placed first on a party list. In parliamentary...

White lead is the basic lead carbonate 2PbCO3·Pb(OH)2. It is a complex salt, containing both carbonate and hydroxide ions. White lead occurs naturally...