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sneeze gas

(Encyclopedia)sneeze gas, poison gas used in riot control and chemical warfare. It is highly irritating to the nose and throat; inhalation of the substance causes sneezing and coughing, but rarely causes permanent ...

Rauma

(Encyclopedia)Rauma rouˈmä [key], Swed. Raumo, city (1996 pop. 37,914), Western Finland prov., SW Finland, on the Gulf of Bothnia. It is Finland's leading western port and has wood, paper, chemical, leather, muni...

tear gas

(Encyclopedia)tear gas, gas that causes temporary blindness through the excessive flow of tears resulting from irritation of the eyes. The gas is used in chemical warfare and as a means for dispersing mobs. Compoun...

tissue culture

(Encyclopedia)tissue culture, the propagation of plants through the placement of small amounts of undifferentiated tissue or single cells in an artificial environment. The tissue is placed in a nutrient medium that...

Polanyi, John Charles

(Encyclopedia)Polanyi, John Charles, 1929–, Canadian chemist. Raised and educated in England, he worked as a researcher in Canada before taking a teaching position at the Univ. of Toronto in 1956. He used spectro...

Rustavi

(Encyclopedia)Rustavi ro͝ostäˈvē [key], city (1989 pop. 153,661), E Georgia, on the Kura River. It was an industrial center, with ironworks and steelworks and chemical plants, but the local economy collapsed in...

Prince George

(Encyclopedia)Prince George, city (1991 pop. 69,653), central British Columbia, Canada, at the confluence of the Fraser and Nechako rivers. It is a railroad division point and a distribution center for a lumber reg...

San Marcos, University of

(Encyclopedia)San Marcos, University of, at Lima, Peru; the first university in South America; founded 1551 by the Spanish king Charles I (Holy Roman Emperor Charles V) and recognized by papal bull in 1571; closed ...

Perm

(Encyclopedia)Perm pyĕrm [key], city (1990 est. pop. 1,090,000), capital of Perm Territory, NE European Russia, on the Kama River. It is a transfer center for rail and river traffic and a major producer of machine...

amino acid

(Encyclopedia)CE5 General formula of an amino acid CE5 Peptide bond between two molecules of the amino acid alanine amino acid əmēˈnō [key], any one of a class of simple organic compounds containin...