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atomism
(Encyclopedia)atomism, philosophic concept of the nature of the universe, holding that the universe is composed of invisible, indestructible material particles. The theory was first advanced in the 5th cent. b.c. b...Sanctorius
(Encyclopedia)Sanctorius săngktôrˈēəs [key], Ital. Santorio, 1561–1636, Italian physiologist. He was a professor at Padua (1611–24). By his quantitative experiments in temperature, respiration, and weight,...Webster, Pelatiah
(Encyclopedia)Webster, Pelatiah, 1726–95, American writer, b. Lebanon, Conn., grad. Yale, 1746. A Philadelphia businessman, he is remembered for his advocacy in his Dissertation of the Political Union and Constit...grouper
(Encyclopedia)grouper, common name for a large carnivorous member of the family Serranidae (sea bass family), abundant in tropical and subtropical seas and highly valued as food fish. There are several genera, nota...titration
(Encyclopedia)titration tītrāˈshən [key], gradual addition of an acidic solution to a basic solution or vice versa (see acids and bases); titrations are used to determine the concentration of acids or bases in ...chiffon
(Encyclopedia)chiffon shĭfŏnˈ [key], plain-weave, lightweight, sheer, transparent fabric made of cotton, silk, or synthetic fiber; it is made of fine, highly twisted, strong yarn. Chiffon is difficult to handle,...boric acid
(Encyclopedia)boric acid, any one of the three chemical compounds, orthoboric (or boracic) acid, metaboric acid, and tetraboric (or pyroboric) acid; the term often refers simply to orthoboric acid. The acids may be...bimetallism
(Encyclopedia)bimetallism bīmĕtˈəlĭzˌəm [key], in economic history, monetary system in which two commodities, usually gold and silver, were used as a standard and coined without limit at a ratio fixed by leg...Morgan horse
(Encyclopedia)Morgan horse, breed of American light horse descended from a single progenitor—the famous Justin Morgan. Morgans are used as all-purpose light horses and are very popular on cattle ranches. Their av...Proust, Joseph Louis
(Encyclopedia)Proust, Joseph Louis zhôzĕfˈ lwē pro͞ost [key], 1754–1826, French chemist. He was professor of chemistry at the artillery school in Segovia, Spain, and director of the laboratory of Charles IV ...Browse by Subject
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