英漢辭典

1. n. (名詞 noun)
   1. 標準,常態;平均;平均溫度

2. 2. [理] 平均量[價]

3. 3. [數] 垂線,(尤指)法線



4. adj. (形容詞 adjective)
   1. 標準的,規定的;正規的,常規的

   normal temperature

   正常體溫;標準溫度.

5. 2. (精神等)正常的,常態的

6. 3. (智力等)平常的,通常的

7. 4. [數] 垂直的

8. 5. [數] 曲線分佈(正態的),(矩陣)正規的

9. 6. [生‧醫] (實驗動物)未經免疫的

10. 7. [生‧醫] (免疫等)自然的

11. 8. [化] 中性的;(溶液)當量(濃度的);正鏈的

柯林斯英英辭典

adj. (adjective)

1. [chem] (of a solution) containing a number of grams equal to the equivalent weight of the solute in each litre of solvent N

2. usual; regular; common; typical

the normal way of doing it

the normal level

3. constituting a standard

if we take this as normal

4. [psychol] being within certain limits of intelligence, educational success or ability, etc

5. conforming to the conventions of one's group

6. [biology] [med] (of laboratory animals) maintained in a natural state for purposes of comparison with animals treated with drugs, etc

7. [chem] denoting a straight-chain hydrocarbon: a normal alkane. Prefix: n-, e.g. n-octane

8. another word for perpendicular

n. (noun)

1. [geometry] the usual, average, or typical state, degree, form, etc

2. anything that is normal

3. [geometry] a line or plane perpendicular to another line or plane or to the tangent of a curved line or plane at the point of contact

4. [Etymology] C16: from Latin normalis conforming to the carpenter's square, from norma norm