Gamma, in the context of electromagnetic radiation, refers to a type of ionizing radiation with the shortest wavelength and highest energy in the electromagnetic spectrum. It is generally emitted from the nuclei of radioactive atoms during nuclear decay or nuclear reactions. Gamma rays have various applications in areas such as medicine, industry, and scientific research.
Note: The provided meaning of the answer is for the latest New York Times crossword puzzle clue: Like electromagnetic radiation with the shortest wavelength. Explanations are generated by AI and may be inaccurate.