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asphalt

(Encyclopedia)asphalt ăsˈfôlt, –fălt [key], brownish-black substance used commonly in road making, roofing, and waterproofing. Chemically, it is a natural mixture of hydrocarbons. It varies in consistency fro...

tubercle

(Encyclopedia)tubercle to͞oˈbərkyo͞olˌ [key] [Lat.,=little swelling], small, usually solid, nodule or prominence. In anatomy the term is applied to natural prominences in certain muscles, to nerve nuclei of th...

volume

(Encyclopedia)CE5 volume, measure of solid content or capacity, usually expressed in units that are the cubes of linear units, such as cubic inches and cubic centimeters, or in units of dry and liquid measure, s...

Boyle, Willard Sterling

(Encyclopedia)Boyle, Willard Sterling, 1924–2011, Canadian-American solid-state physicist, b. Amherst, N.S., Canada, Ph.D. McGill Univ., Montreal, 1950. Boyle was a researcher at Bell Laboratories in Murray Hill,...

Briard

(Encyclopedia)Briard brēärdˈ [key], breed of muscular, wiry working dog whose origins may be traced back to 12th-century France. It stands from 22 to 27 in. (55.9–68.6 cm) high at the shoulder and weighs betwe...

Spinone Italiano

(Encyclopedia)Spinone Italiano spĭnōˈnē ĭtălēäˈnō, Ital. spēnôˈnā ētälyäˈnō [key], also called Italian pointer, breed of large, all-purpose hunting dog developed in the Piedmont district of NW It...

truss

(Encyclopedia)CE5 A. King post truss B. Queen, with princess posts truss, in architecture and engineering, a supporting structure or framework composed of beams, girders, or rods commonly of steel or wood lying...

Tikal

(Encyclopedia)Tikal tēkälˈ [key], ruined city of the Classic Period of the Maya, N central Petén, Guatemala. The largest and possibly the oldest of the Maya cities, Tikal consists of nine groups of courts and p...

Shechtman, Daniel S.

(Encyclopedia)Shechtman, Daniel S., 1941–, Israeli materials scientist, Ph.D. Technion (Israel Institute of Technology), 1972. Shechtman, who joined the faculty at Technion in 1975, received the Nobel Prize in Ch...

photoengraving

(Encyclopedia)photoengraving, photomechanical process in the graphic arts, used principally for reproducing illustrations. The subject is photographed, and the image is recorded on a sensitized metal plate, which i...