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Multi-word Results
| alpha and omega |
the first and last letters of the Greek alphabet. [2 definitions] |
| Alpha Centauri |
a double star in the constellation Centaurus, the closest star to the solar system, having a combined magnitude of -0.3. |
| alpha particle |
a positively charged particle given off as radiation from some fission or decay processes, consisting of two protons and two neutrons. |
| alpha ray |
radiation composed of alpha particles. |
| alpha wave |
the type of brain wave that is a sign of relaxation, having frequencies from eight to thirteen hertz; alpha rhythm. |
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