- analogous element
- 類似元素
English-Chinese dictionary. 2013.
English-Chinese dictionary. 2013.
element — element, component, constituent, ingredient, factor are comparable when they mean one of the parts, substances, or principles which make up a compound or complex thing. Element is, except in its specific sense in science, the most widely… … New Dictionary of Synonyms
Element (category theory) — In category theory, the concept of an element, or a point, generalizes the more usual set theoretic concept of an element of a set to an object of any category. This idea often allows to restate definitions or properties of morphisms (such as… … Wikipedia
transition element — Chem. any element in any of the series of elements with atomic numbers 21 29, 39 47, 57 79, and 89 107, that in a given inner orbital has less than a full quota of electrons. Also called transition metal. [1920 25] * * * Any chemical element with … Universalium
nitrogen group element — ▪ chemical elements Introduction any of the chemical elements that constitute Group Va of the periodic table (see Figure >). The group consists of nitrogen (N), phosphorus (P), arsenic (As), antimony (Sb), and bismuth (Bi). The elements share… … Universalium
Classical element — For other uses of 4 elements, see Four elements (disambiguation). For other uses of 5 elements, see Five elements (disambiguation). Many philosophies and worldviews have a set of classical elements believed to reflect the simplest essential parts … Wikipedia
Field with one element — In mathematics, the field with one element is a suggestive name for an object that should exist: many objects in math have properties analogous to objects over a field with q elements, where q = 1, and the analogy between number fields and… … Wikipedia
oxygen group element — ▪ chemical element Introduction also called chalcogen, any of the five chemical elements making up Group 16 (VIa) of the periodic classification namely, oxygen, sulfur, selenium, tellurium, and polonium. (See Figure >.) A relationship among… … Universalium
Maximal element — In mathematics, especially in order theory, a maximal element of a subset S of some partially ordered set is an element of S that is not smaller than any other element in S. The term minimal element is defined dually. The notion of a maximal is… … Wikipedia
chemical element — Introduction also called element, any substance that cannot be decomposed into simpler substances by ordinary chemical processes. Elements are the fundamental materials of which all matter is composed. This article considers the… … Universalium
Group 6 element — Group → 6 ↓ Period 4 24 Cr 5 … Wikipedia
Aether (classical element) — According to ancient and medieval science, aether (Greek gr. αἰθήρ aithēr [ ether . The American Heritage Dictionary of the English Language . 4th ed. Boston: Houghton Mifflin, 2006.] ), also spelled æther or ether, is the material that fills the … Wikipedia