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Leucippus
(Encyclopedia)Leucippus lo͞osĭpˈəs [key], 5th cent. b.c., Greek philosopher. Aristotle believed that Leucippus inspired the atomistic theory with which Democritus is identified. Little is known about Leucippus....Daphne, in Greek mythology
(Encyclopedia)Daphne dăfˈnē [key], in Greek mythology, a nymph. She was loved by Apollo and by Leucippus, a mortal who disguised himself as a nymph to be near her. When Leucippus betrayed his sex while bathing, ...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...Abdera
(Encyclopedia)Abdera ävdēˈrä [key], town, NE Greece, in Thrace, near the mouth of the Mesta River. It is a small agricultural settlement. Founded (c.650 b.c.) by colonists from Clazomenae, it was destroyed by t...Democritus
(Encyclopedia)Democritus dĭmŏkˈrĭtəs [key], c.460–c.370 b.c., Greek philosopher of Abdera; pupil of Leucippus. His theory of the nature of the physical world was the most radical and scientific attempted up ...matter
(Encyclopedia)matter, anything that has mass and occupies space. Matter is sometimes called koinomatter (Gr. koinos=common) to distinguish it from antimatter, or matter composed of antiparticles. The atomic th...atom
(Encyclopedia)CE5 Bohr-Rutherford atom CE5 Probability distribution of the electron in the hydrogen atom: A. Ground state B. Highly excited state atom [Gr.,=uncuttable (indivisible)], basic unit of matte...element
(Encyclopedia)CE5 element, in chemistry, a substance that cannot be decomposed into simpler substances by chemical means. A substance such as a compound can be decomposed into its constituent elements by means o...philosophy
(Encyclopedia)philosophy [Gr.,=love of wisdom], study of the ultimate reality, causes, and principles underlying being and thinking. It has many aspects and different manifestations according to the problems involv...science
(Encyclopedia)science [Lat. scientia=knowledge]. For many the term science refers to the organized body of knowledge concerning the physical world, both animate and inanimate, but a proper definition would also hav...Browse by Subject
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