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conifer

(Encyclopedia) coniferconiferkŏnˈĭfûr [key] [Lat.,=cone-bearing], tree or shrub of the order Coniferales, e.g., the pine, monkey-puzzle tree, cypress, and sequoia. Most conifers bear cones and most…

mandrill

(Encyclopedia) mandrill, large monkey, Mandrillus sphinx, of central W Africa, related to the baboons. Mandrills are found in forests, while baboons live in open country. The fur of the mandrill is…

Perelman, S. J.

(Encyclopedia) Perelman, S. J. (Sidney Joseph Perelman)Perelman, S. J.pĕrˈəlmən [key], 1904–79, American comic writer, b. Brooklyn, N.Y. He entered the magazine world as a cartoonist for a New York…

pitcher plant

(Encyclopedia) pitcher plant, any of several insectivorous plants with leaves adapted for trapping insects. Each leaf forms a “pitcher,” a somewhat trumpet-shaped enclosure, usually containing a…

Eleazar

(Encyclopedia) EleazarEleazarĕlēāˈzər [key], in the Bible. 1 Son of Aaron. 2 Keeper of the Ark of the Covenant. 3 Mighty man of David. 4 Man in the genealogy in the first chapter of the Gospel of St…

Varona y Pera, Enrique José

(Encyclopedia) Varona y Pera, Enrique JoséVarona y Pera, Enrique Joséānrēˈkā hōsāˈ värōˈnä ē pāˈrä [key], 1849–1933, Cuban philosopher and vice president of Cuba (1913–17). Varona was a professor at…

DK Science & Technology: Sound

HOW ARE SOUNDS MADE? HOW DO MUSICAL INSTRUMENTS MAKE MUSIC? WHY ARE SOUNDS DIFFERENT? WHAT IS RESONANCE? SOUND FREQUENCY SOUND WAVESDIGITAL SOUNDFIND OUT MOREOur world is full of sounds. Sound is…