normal school
 正態分布


 Nor·mal a.
 1. According to an established norm, rule, or principle; conformed to a type, standard, or regular form; performing the proper functions; not abnormal; regular; natural; analogical.
    Deviations from the normal type.   --Hallam.
 2. Geom. According to a square or rule; perpendicular; forming a right angle; as, a line normal to the base. Specifically: Of or pertaining to a normal.
 3. Chem. Standard; original; exact; typical. Specifically: (a) Quantitative Analysis Denoting a solution of such strength that every cubic centimeter contains the same number of milligrams of the element in question as the number of its molecular weight. (b) Chem. Denoting certain hypothetical compounds, as acids from which the real acids are obtained by dehydration; thus, normal sulphuric acid and normal nitric acid are respectively S(OH)6, and N(OH)5. (c) Organ. Chem. Denoting that series of hydrocarbons in which no carbon atom is bound to more than two other carbon atoms; as, normal pentane, hexane, etc.  Cf. Iso-.
 Normal equations Method of Least Squares, a set of equations of the first degree equal in number to the number of unknown quantities, and derived from the observations by a specified process.  The solution of the normal equations gives the most probable values of the unknown quantities.
 Normal group Geol., a group of rocks taken as a standard. --Lyell.
 Normal place (of a planet or comet) Astron., the apparent place in the heavens of a planet or comet at a specified time, the place having been determined by a considerable number of observations, extending perhaps over many days, and so combined that the accidental errors of observation have largely balanced each other.
 Normal school, a school whose methods of instruction are to serve as a model for imitation; an institution for the training of teachers.
 Syn: -- Normal, Regular, Ordinary.
 Usage: Regular and ordinary are popular terms of well-known signification; normal has now a more specific sense, arising out of its use in science.  A thing is normal, or in its normal state, when strictly conformed to those principles of its constitution which mark its species or to the standard of a healthy and natural condition.  It is abnormal when it departs from those principles.


 School, n.
 1. A place for learned intercourse and instruction; an institution for learning; an educational establishment; a place for acquiring knowledge and mental training; as, the school of the prophets.
    Disputing daily in the school of one Tyrannus.   --Acts xix. 9.
 2. A place of primary instruction; an establishment for the instruction of children; as, a primary school; a common school; a grammar school.
    As he sat in the school at his primer.   --Chaucer.
 3. A session of an institution of instruction.
    How now, Sir Hugh! No school to-day?   --Shak.
 4. One of the seminaries for teaching logic, metaphysics, and theology, which were formed in the Middle Ages, and which were characterized by academical disputations and subtilties of reasoning.
    At Cambridge the philosophy of Descartes was still dominant in the schools.   --Macaulay.
 5. The room or hall in English universities where the examinations for degrees and honors are held.
 6. An assemblage of scholars; those who attend upon instruction in a school of any kind; a body of pupils.
    What is the great community of Christians, but one of the innumerable schools in the vast plan which God has instituted for the education of various intelligences?   --Buckminster.
 7. The disciples or followers of a teacher; those who hold a common doctrine, or accept the same teachings; a sect or denomination in philosophy, theology, science, medicine, politics, etc.
    Let no man be less confident in his faith . . . by reason of any difference in the several schools of Christians.   --Jer. Taylor.
 8. The canons, precepts, or body of opinion or practice, sanctioned by the authority of a particular class or age; as, he was a gentleman of the old school.
      His face pale but striking, though not handsome after the schools.   --A. S. Hardy.
 9. Figuratively, any means of knowledge or discipline; as, the school of experience.
 Boarding school, Common school, District school, Normal school, etc. See under Boarding, Common, District, etc.
 High school, a free public school nearest the rank of a college. [U. S.]
 School board, a corporation established by law in every borough or parish in England, and elected by the burgesses or ratepayers, with the duty of providing public school accommodation for all children in their district.
 School committee, School board, an elected committee of citizens having charge and care of the public schools in any district, town, or city, and responsible for control of the money appropriated for school purposes. [U. S.]
 School days, the period in which youth are sent to school.
 School district, a division of a town or city for establishing and conducting schools. [U.S.]
 Sunday school, or Sabbath school, a school held on Sunday for study of the Bible and for religious instruction; the pupils, or the teachers and pupils, of such a school, collectively.


 Train·ing, n. The act of one who trains; the act or process of exercising, disciplining, etc.; education.
 Fan training Hort., the operation of training fruit trees, grapevines, etc., so that the branches shall radiate from the stem like a fan.
 Horizontal training Hort., the operation of training fruit trees, grapevines, etc., so that the branches shall spread out laterally in a horizontal direction.
 Training college. See Normal school, under Normal, a.
 Training day, a day on which a military company assembles for drill or parade. [U. S.]
 Training ship, a vessel on board of which boys are trained as sailors.
 Syn: -- See Education.

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 normal school
      n : a two-year school for training elementary teachers [syn: {teachers
          college]