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Slim Helú, Carlos
(Encyclopedia) Slim Helú, CarlosSlim Helú, Carloscärˈlōs slēm hēl&oomacr;ˈ [key], 1940–, Mexican business executive. The son of a Lebanese Maronite immigrant who became a successful merchant and…nucleotide
(Encyclopedia) nucleotidenucleotiden&oomacr;ˈklēətīdˌ, ny&oomacr;ˈ– [key], organic substance that serves as a monomer in forming nucleic acids. Nucleotides consist of either a purine or a…germination
(Encyclopedia) germination, in a seed, process by which the plant embryo within the seed resumes growth after a period of dormancy and the seedling emerges. The length of dormancy varies; the seed of…Verhaeren, Émile
(Encyclopedia) Verhaeren, ÉmileVerhaeren, Émileāmēlˈ vārärĕnˈ, vərhäˈrən [key], 1855–1916, Belgian poet and critic, a Fleming who wrote in French. His dominant passion for social reform found…Yucca Mountain
(Encyclopedia) Yucca Mountain, mountain in the SW Nevada desert about 100 mi (161 km) northwest of Las Vegas. It is the proposed site of a Dept. of Energy (DOE) repository for up to 77,000 metric…utility, public
(Encyclopedia) utility, public, industry required by law to render adequate service in its field at reasonable prices to all who apply for it. Public utilities frequently operate as monopolies in…brake, in technology
(Encyclopedia) CE5 Shoe brake CE5 Disk brake brake, in technology, device to slow or stop the motion of a mechanism or vehicle. The vacuum brake system, or vacuum brake, depends upon the use…Molina, Mario
(Encyclopedia) Molina, Mario (Mario José Molina-Pasquel y Henríquez), 1943–2020, Mexican chemist, Ph.D. Univ. of California, Berkeley, 1972. Molina was a professor at the Univ. of California, Irvine…microphone
(Encyclopedia) microphone, device for converting sound into electrical energy, used in radio broadcasting, recording, and sound amplifying systems. Its basic component is a diaphragm that responds to…Meitner, Lise
(Encyclopedia) Meitner, LiseMeitner, Liselēˈzə mītˈnər [key], 1878–1968, Austrian-Swedish physicist and mathematician. She was professor at the Univ. of Berlin (1926–33). A refugee from Germany after…Trending
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