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topology

(Encyclopedia) CE5 Möbius strip: On the ordinary flat loop (A), an ant walking along the middle of the strip will pass only around the outside of the strip. If the strip is cut along the dotted…

Ptolemy XII

(Encyclopedia) Ptolemy XII (Ptolemy Auletes)Ptolemy XIItŏlˈəmē [key]Ptolemy XIIôlēˈtēz [key], d. 51 b.c., king of ancient Egypt (80–58 b.c., 55–51 b.c.), of the Macedonian dynasty, illegitimate son…

Rich, Adrienne

(Encyclopedia) Rich, Adrienne, 1929–2012, American poet, b. Baltimore, grad. Radcliffe, 1951. From the 1970s her exquisitely wrought verse became looser and more personal as her works increasingly…

Scott-Heron, Gil

(Encyclopedia) Scott-Heron, Gil, 1949–2011, American poet, musician, and songwriter, b. Chicago. Often considered “the godfather of rap music,” he…

Peter, epistles of the New Testament

(Encyclopedia) Peter, two letters of the New Testament, classified among the Catholic (or General) Epistles. Each opens with a statement of authorship by the apostle St. Peter. First Peter, the…

parole

(Encyclopedia) paroleparolepərōlˈ [key], in criminal law, release from prison of a convict before the expiration of his term on condition that his activities be restricted and that he report…

taboo

(Encyclopedia) taboo or tabutabooboth: tăb&oomacr;ˈ, tə– [key], prohibition of an act or the use of an object or word under pain of punishment. Originally a Polynesian word, taboo can apply to…

tachinid fly

(Encyclopedia) tachinid flytachinid flytăkˈənĭd [key], common name for any of the flies of the family Tachinidae, which parasitize caterpillars, beetles, grasshoppers, and other insects. Tachinid…

testis

(Encyclopedia) testistestistĕsˈtĭs [key] or testicletestistĕsˈtĭkəl [key], one of a pair of glands that produce the male reproductive cells, or sperm. In fetal life the testes develop in the abdomen…

Grignard reagent

(Encyclopedia) Grignard reagentGrignard reagentgrēnyärdˈ rēāˈjənt [key], any of an important class of extremely reactive chemical compounds used in the synthesis of hydrocarbons, alcohols, carboxylic…