Columbia Encyclopedia

Search results

500 results found

poison

(Encyclopedia)poison, any agent that may produce chemically an injurious or deadly effect when introduced into the body in sufficient quantity. Some poisons can be deadly in minute quantities, others only if relati...

Bakı

(Encyclopedia)Bakı bəko͞oˈ [key], city (2021 est. pop. 2,371,000), capital of Azerbaijan, on the Caspia...

Derbent

(Encyclopedia)Derbent dyĭrbyĕntˈ [key], city, SE European Russia, in Dagestan, on the Caspian Sea. It st...

incinerator

(Encyclopedia)incinerator, furnace for burning refuse. The older and simpler kind of incinerator was a brick-lined cell with a metal grate over a lower ash pit, with one opening in the top or side for loading and a...

Lockyer, Sir Joseph Norman

(Encyclopedia)Lockyer, Sir Joseph Norman lŏkˈyər [key], 1836–1920, English astronomer, educated on the Continent. One of the first to make a spectroscopic examination of the sun and stars, he devised (1868), i...

Langmuir, Irving

(Encyclopedia)Langmuir, Irving lăngˈmyo͞or [key], 1881–1957, American chemist, b. Brooklyn, N.Y. Associated (1909–50) with the research laboratory of the General Electric Company, he introduced atomic-hydrog...

Vlorë

(Encyclopedia)Vlorë vəlōˈnə [key], city (1989 pop. 71,662), capital of Vlorë dist., SW Albania, on Vlorë Bay of the Adriatic Sea. Vlorë is a major seaport and a commercial center. Its industries produce oli...

aerogel

(Encyclopedia)aerogel, any of a group of extremely light and porous solid materials; the lightest is less than four times as dense as dry air. Aerogels are produced from certain gels (see colloid) by heating the ge...

Bronfman, Edgar Miles, Sr.

(Encyclopedia)Bronfman, Edgar Miles, Sr. 1929–2013, Canadian-American business executive and philanthropist, b. Montreal, grad. McGill Univ. (1951). He was the eldest son of Samuel Bronfman, 1889–1971, an East ...

Zanesville

(Encyclopedia)Zanesville, city (1990 pop. 26,778), seat of Muskingum co., central Ohio, on the Muskingum River at its junction with the Licking River; inc. 1815. It is a trade and industrial center that manufacture...

Browse by Subject