| 单词 | adiactinic |
| 释义 | adiactinic in British English (ˌædɪækˈtɪnɪk) adjective physics denoting a substance that does not transmit radiation affecting photochemically sensitive materials, such as a safelight in a photographic darkroom adiactinic in American English (ˌeidaiækˈtɪnɪk) adjective (of a medium) not capable of transmitting actinic rays Word origin [1875–80; a-6 + diactinic]This word is first recorded in the period 1875–80. Other words that entered Englishat around the same time include: authoritarian, cross-fertilization, graph, hat trick, pressure point |
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