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meiosis

(Encyclopedia)CE5 Formation of sperm cells through meiosis meiosis mīŏˈsĭs [key], process of nuclear division in a living cell by which the number of chromosomes is reduced to half the original number. Meio...

Bristol, city, England

(Encyclopedia)Bristol, city and unitary authority (2021 est. pop. 694,000), SW England, at the confluence of the Avon and Frome rivers. Bristol, a leading internation...

Rutherford, Ernest Rutherford, 1st Baron

(Encyclopedia)Rutherford, Ernest Rutherford, 1st Baron, 1871–1937, British physicist, b. New Zealand. Rutherford left New Zealand in 1895, having earned three degrees from the Univ. of New Zealand but having fail...

transuranium elements

(Encyclopedia)transuranium elements, in chemistry, radioactive elements with atomic numbers greater than that of uranium (at. no. 92). All the transuranium elements of the actinide series were discovered as synthet...

Harrisburg

(Encyclopedia)Harrisburg. <1> City (2020 pop. 8,219), seat of Saline co., SE Ill; founded c. 1852. In the mid-19th century, it was a center of woolen and ...

muon

(Encyclopedia)muon myo͞oˈŏn [key], elementary particle heavier than an electron but lighter than other particles having nonzero rest mass. The name muon is derived from mu meson, the former name of the particle....

Latium

(Encyclopedia)Latium lāˈshēəm [key], Ital. Lazio, region (1990 pop. 5,170,672), 6,642 sq mi (17,203 sq km), central Italy, extending from the Apennines westward to the Tyrrhenian Sea. Rome is the capital of the...

bohrium

(Encyclopedia)bohrium bôrˈēəm [key], artificially produced radioactive chemical element; symbol Bh; at. no. 107; mass number of most stable isotope 270; m.p., b.p., sp. gr., and valence unknown. Situated in Gro...

boron

(Encyclopedia)boron bōrˈŏn [key] [New Gr. from borax], chemical element; symbol B; at. no. 5; interval in which at. wt. ranges 10.806–10.821; m.p. about 2,300℃; sublimation point about 2,550℃; sp. gr. 2.3 ...

Bharatiya Janata party

(Encyclopedia)Bharatiya Janata party bärˈətēə jänˈətə [key] [Hindi,=Indian People's party] (BJP), Indian political party that espouses Hindu nationalism. The BJP draws its Hindu nationalist creed from the ...