| Main Entry: | radiation physics |
| Part of Speech: | n |
| Definition: | a branch of physics concerned with the effects of radiation, esp. from space |
| Example: | Radiation physics is the study of ionizing radiation and its effects on matter. |
| Etymology: | 1936 |
| an extraordinary or unusual thing, person, or event; an exceptional example or instance. |
| a printed punctuation mark (‽), available only in some typefaces, designed to combine the question mark (?) and the exclamation point (!), indicating a mixture of query and interjection, as after a rhetorical question. |
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