# elementary

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**elementary particle**— noun count SCIENCE one of the parts that make up an atom, for example a PROTON or NEUTRON …52

**elementary school**— ► NOUN ▪ a primary school, especially (N. Amer. ) for the first six or eight grades …53

**elementary school**— n. a school of the first six grades (sometimes, first eight grades), where basic subjects are taught …54

**Elementary class**— In the branch of mathematical logic called model theory, an elementary class (or axiomatizable class) is a class consisting of all structures satisfying a fixed first order theory. Contents 1 Definition 2 Conflicting and alternative terminology …55

**Elementary symmetric polynomial**— In mathematics, specifically in commutative algebra, the elementary symmetric polynomials are one type of basic building block for symmetric polynomials, in the sense that any symmetric polynomial P can be expressed as a polynomial in elementary… …56

**elementary education**— or primary education Traditionally, the first stage of formal education, beginning at age 5–7 and ending at age 11–13. Often preceded by some form of preschool, it usually includes middle school, or junior high school (ages 11–13), though this is …57

**Elementary schools in Japan**— Shōgakkō (小学校) are elementary schools in Japan.More than 99% of Japanese elementary school age children are enrolled in school. All children enter first grade at age six, and starting school is considered a very important event in a child s… …58

**Elementary function**— This article discusses the concept of elementary functions in differential algebra. For simple functions see the list of mathematical functions. For the concept of elementary form of an atom see oxidation state. In mathematics, an elementary… …59

**Elementary proof**— In mathematics a proof is said to be elementary if it avoids difficult ideas from distant areas of mathematics. For example, the term is used in number theory to refer to proofs that make no use of complex analysis. An elementary proof in… …60

**Elementary school**— An elementary school is an institution where children receive the first stage of compulsory education known as elementary or primary education. Elementary school is the preferred term in many countriesFact|date=August 2008, especially in North… …