N

1. Physics. newton; newtons.

2. north.

3. northern.

Symbol.

1. the 14th in order or in a series, or, when I is omitted, the 13th.

2. (sometimes l.c.) the medieval Roman numeral for 90. Cf. Roman numerals.

3. Chem. nitrogen.

4. Biochem. asparagine.

5. Math. an indefinite, constant whole number, esp. the degree of a quantic or an equation, or the order of a curve.

6. Chess. knight.

7. Print. en.

8. Chem. See Avogadro's number.

9. See neutron number.

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