| 释义 |
n
I. \ˈen\ noun
(plural n's or ns \ˈenz\)
Usage: often capitalized, often attributive
1.
a. : the 14th letter of the English alphabet
b. : an instance of this letter printed, written, or otherwise represented
c. : a speech counterpart of orthographic n (as n in nine, snow, or Spanish nuevo)
2. : a printer's type, a stamp, or some other instrument for reproducing the letter n
3.
a. : someone or something arbitrarily or conveniently designated n especially as the 13th or when j is used for the 10th the 14th in order or class
b. : an indefinite number; especially : a constant integer or a variable taking on integral values (as in an equation, curve, or algebraic expression)
< the rules for the permutations of n things taken r at a time — D.E.Smith >
— see nth
c.
(1) : the gametic number of chromosomes
(2) : the basic number of chromosomes (as of a species or species group) — compare x
4. : something having the shape of the capital letter N
5. : en 2
6. : an antigen of human blood that shares a common genetic locus with the M antigen
II. abbreviation
Usage: often capitalized
1. nail
2. name
3. nasal
4. national; nationalist
5. [Latin natus] born
6. naval
7. navigate; navigating; navigation
8. navy
9. Negro
10. nephew
11. net
12. neuter
13. new
14. newspaper
15. newton
16. night
17. night stop
18. [Latin nocte] at night
19. [Latin] nomen
20. nominative
21. none
22. noon
23. normal
24. usually italic normal (sense 10a) — used of solutions
< 0.1 N hydrochloric acid >
normal (sense 10e) — with names of aliphatic hydrocarbons, their derivatives, or alkyl radicals
< n-pentane >
< n-butyl >
25. north; northern
26. note
27. noun
28. [French nous] we; us
29. November
30. [Latin novus] new
31. number
III. symbol
1. capitalized
a. place for the insertion of the given name of a bride or of a female person — compare m III 1
b. place for the insertion of the given name of a person (as in a ceremonial statement) — compare NN
2. usually italic neutron
3. capitalized nitrogen
4. usually italic index of refraction
5. capitalized, ital Avogadro number
6. capitalized knight
IV. abbreviation
2nano- |