ras

noun

1. the 10th letter of the Arabic alphabet.

noun Egyptian Religion.

1. a sun god of Heliopolis, a universal creator worshiped throughout Egypt (typically represented as a hawk-headed man bearing on his head the solar disk and the uraeus).

abbreviation for

1. Royal Agricultural Society
2. Royal Astronomical Society

abbreviation for

1. rear admiral
2. astronomy right ascension
3. (in Britain) Royal Academician or Academy
4. (in Britain) Royal Artillery
5. Argentina (international car registration)

the chemical symbol for

1. radium

noun

1. the ancient Egyptian sun god, depicted as a man with a hawk’s head surmounted by a solar disc and serpent

Ethiopian title, from Amharic ras “chief, head,” from Arabic ra’s.

“hawk-headed sovereign sun god of Egyptian mythology,” from Egyptian R’ “sun, day.”

abbr.

1. reticular activating system

1. The symbol for the elementradium

1. The symbol for radium.