(sometimes lowercase) (in some grading systems) a grade or mark, as in school or college, indicating the quality of a student's work as fair or average.
3.
Music.
a.
the first tone, or keynote, in the scale of C major or the third tone in the relative minor scale, A minor.
b.
a string, key, or pipe tuned to this tone.
c.
a written or printed note representing this tone.
d.
(in the fixed system of solmization) the first tone of the scale of C major, called do.
e.
the tonality having C as the tonic note.
f.
a symbol indicating quadruple time and appearing after the clef sign on a musical staff.
n. a one-hundred-dollar bill. (The C is the Roman numeral for 100. See also century note.) : You owe me three C-notes! , That guy wanted a C-spot to fix my muffler!
Dictionary of American Slang and Colloquial Expressions by Richard A. Spears.Fourth Edition. Copyright 2007. Published by McGraw Hill.
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Financial Dictionary
c
Used in the dividend column of stock transaction tables of newspapers to indicate that the listed dividend is a liquidating dividend: City Inv 7.50c.
Used in money market mutual fund transaction tables in newspapers to indicate funds that are chiefly or wholly exempt from federal income taxes: Fld Tax Exmpt c.
carbon (kär'bən) Pronunciation Key Symbol C
A naturally abundant, nonmetallic element that occurs in all organic compounds and can be found in all known forms of life. Diamonds and graphite are pure forms, and carbon is a major constituent of coal, petroleum, and natural gas. Carbon generally forms four covalent bonds with other atoms in larger molecules. Atomic number 6; atomic weight 12.011; sublimation point above 3,500°C; boiling point 4,827°C; specific gravity of amorphous carbon 1.8 to 2.1, of diamond 3.15 to 3.53, of graphite 1.9 to 2.3; valence 2, 3, 4. See Periodic Table.