in the abbreviation b.c. it stands for before Christ. in the abbreviations b.c.e. and c.e. it stands for either before common era or before christian era, or common era and christian era
A 'c.' means circa and is usually followed by a year, e.g. c. 1100 AD. Circa means about or around and is used when only approximate dates are known; so, c.1100 AD would mean around about 1100 AD.
BC or B.C. might mean "Before Christ" if in reference to dates. Modern scientific term is BCE "Before Current Era". In geography, Baja California, a state in Mexico; or British Columbia, a province...
CPR is CardioPulmonary Resuscitation. Cardio means "heart". Pulmonary means "breathing". Resuscitation means "revival". When performing CPR, one works to revive a person by activating the heart and...
The C in Vitamin C came from the name of the person who first discovered it: Charlie Vitamin C is also known as L-ascorbic acid or L-ascorbate... The person responsibile for identifying vitamin C...