名詞 c:

1. a degree on the centigrade scale of temperature
   同義詞：degree centigrade, degree Celsius
2. the speed at which light travels in a vacuum; the constancy and universality of the speed of light is recognized by defining it to be exactly 299,792,458 meters per second
   同義詞：speed of light, light speed
3. one of the four nucleotides used in building DNA; all four nucleotides have a common phosphate group and a sugar (ribose)
   同義詞：deoxycytidine monophosphate
4. a base found in DNA and RNA and derived from pyrimidine; pairs with guanine
   同義詞：cytosine
5. an abundant nonmetallic tetravalent element occurring in three allotropic forms: amorphous carbon and graphite and diamond; occurs in all organic compounds
   同義詞：carbon, atomic number 6
6. ten 10s
   同義詞：hundred, 100, century, one C, centred
7. a unit of electrical charge equal to the amount of charge transferred by a current of 1 ampere in 1 second
   同義詞：coulomb, ampere-second
8. a general-purpose programing language closely associated with the UNIX operating system
9. (music) the keynote of the scale of C major
10. the 3rd letter of the Roman alphabet
    同義詞：letter c
11. street names for cocaine
    同義詞：coke, blow, nose candy, snow

形容詞 c:

1. being ten more than ninety
   同義詞：hundred, one hundred, 100

c 或 C

n.（名詞）
【復數】 c`s 或 C`s
The third letter of the modern English alphabet.
C字母：現代英語字母表的第三個字母
Any of the speech sounds represented by the letterc.
字母：字母c 所表示的讀音
The third in a series.
序列中的第三
C The third best or third highest in quality or rank:
C C等，中等：在質量或級別上第三好或第三高：
例句：
a mark of C on a term paper.
期末考試卷上批了個C

Music
【音樂】
The first tone in the scale of C major or the third tone in the relative minor scale.
C調主音：C大調音階中的第一個音或C小調音階中的第三個音
A key or scale in which the tone of C is the tonic.
C調音階：以C調為主音的音鍵或音階
A written or printed note representing this tone.
C調音符：代表C調的手寫體或印刷體音符
A string, key, or pipe tuned to the pitch of this tone.
發(fā)C調的樂器：調至A調音高的弦樂器、琴鍵或管樂器

c
c 2
abbr.（略語）
Physics Candle.
【物理學】 Candle.
Carat.
Carat.
Physics Charm quark.
【物理學】 Charm quark.
Also C Mathematics Constant.
也作 C 【數學】 Constant.
Cubic.
Cubic.