n +

1.[c][u]英语字母表的第 14 个字母the 14th letter of the English alphabet

2.[u]（表示不定数）used to represent a number whose value is not mentioned

1.北方（的）；北部（的）north; northern

1.【化】同“nitrogen”

2.90

3.同“North(ern)”

4.(=nuclear)核的

5.英语字母表第十四字母

6.【印】对开

7.N 形物

8.【数】任意数,不定数,不定量

9.【遗】单位(染色体)数

1.the 14th letter of the English alphabet. N is a consonant.

1.[Chemistry]Same as nitrogen

2.Same as North(ern)

3.(=nuclear)