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  2. Classical element - Wikipedia

    en.wikipedia.org/wiki/Classical_element

    The earliest Buddhist texts explain that the four primary material elements are solidity, fluidity, temperature, and mobility, characterized as earth, water, fire, and air, respectively. [30] The Buddha's teaching regarding the four elements is to be understood as the base of all observation of real sensations rather than as a philosophy. The ...

  3. Alchemical symbol - Wikipedia

    en.wikipedia.org/wiki/Alchemical_symbol

    Alchemical symbols were used to denote chemical elements and compounds, as well as alchemical apparatus and processes, until the 18th century. Although notation was partly standardized, style and symbol varied between alchemists.

  4. Chemical symbol - Wikipedia

    en.wikipedia.org/wiki/Chemical_symbol

    Earlier symbols for chemical elements stem from classical Latin and Greek vocabulary. For some elements, this is because the material was known in ancient times, while for others, the name is a more recent invention.

  5. List of chemical elements - Wikipedia

    en.wikipedia.org/wiki/List_of_chemical_elements

    A chemical element, often simply called an element, is a type of atom which has a specific number of protons in its atomic nucleus (i.e., a specific atomic number, or Z). [ 1 ] The definitive visualisation of all 118 elements is the periodic table of the elements , whose history along the principles of the periodic law was one of the founding ...

  6. Periodic table - Wikipedia

    en.wikipedia.org/wiki/Periodic_table

    Periodic tables usually at least show the elements' symbols; many also provide supplementary information about the elements, either via colour-coding or as data in the cells. The above table shows the names and atomic numbers of the elements, and also their blocks, natural occurrences and standard atomic weights. For the short-lived elements ...

  7. Four Symbols - Wikipedia

    en.wikipedia.org/wiki/Four_Symbols

    The Four Symbols are mythological creatures appearing among the Chinese constellations ... virtue, and one of the Chinese "five elements" (wood, fire, earth, metal ...

  8. Tetramorph - Wikipedia

    en.wikipedia.org/wiki/Tetramorph

    A tetramorph is a symbolic arrangement of four differing elements, or the combination of four disparate elements in one unit. The term is derived from the Greek tetra, meaning four, and morph, shape. The word comes from the Greek for "four forms" or "shapes". In English usage, each symbol may be described as a tetramorph in the singular, and a ...

  9. Tetractys - Wikipedia

    en.wikipedia.org/wiki/Tetractys

    The first four numbers symbolize the musica universalis and the Cosmos as: Monad – Unity; Dyad – Power – Limit/Unlimited (peras/apeiron) Triad – Harmony; Tetrad – Kosmos [4] The four rows add up to ten, which was unity of a higher order (The Dekad). The Tetractys symbolizes the four classical elements—air, fire, water, and earth.