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ter·ti·ar·y AHD[tûrʹshē-ĕr'ē] D.J.[ˈtɜːʃiːˌeriː]K.K.[ˈtɝʃiˌɛri]adj.（形容词）- Third in place, order, degree, or rank.第三的：在位置、次序、程序或级别上第三的
- Of, relating to, or designating the short flight feathers nearest the body on the rear edge of a bird's wing.第三羽的：属于、关于或称呼鸟的翅膀后沿最靠近身体的短飞羽的
- Chemistry 【化学】
- Of or relating to salts of acids containing three replaceable hydrogen atoms.三代的：属于或关于含有三个可被替代的氢原子的各种酸盐的
- Of or relating to organic compounds in which a group, such as an alcohol or amine, is bound to three nonelementary radicals.特的：属于或关于一组只有三个非基础性基键的（如醇或胺）的有机化合物的
- Tertiary Geology Of, belonging to, or being the geologic time, system of rocks, and sedimentary deposits of the first period of the Cenozoic Era, extending from the Cretaceous Period of the Mesozoic Era to the Quaternary Period of the Cenozoic Era, characterized by the appearance of modern flora and of apes and other large mammals. See table at geologic time Tertiary 【地质学】 第三纪的：从中生代白垩纪一直到新生代第四纪，属于或成为地质时期、岩系及新生代第一时期沉积物的、以现代植物和猿猴及其它大型哺乳动物的出现为特征 参见 geologic time
n.（名词）pl. ter.ti.ar.ies 【复数】- A tertiary feather.第三列羽毛
- Tertiary Geology The Tertiary Period or its system of deposits. Tertiary 【地质学】 第三纪：第三纪或其沉积系
- Roman Catholic Church A member of a religious Third Order.【罗马天主教】 第三级教士
- Latin tertiārius 拉丁语 tertiārius
- from tertius [third] * see trei- 源自 tertius [第三] * 参见 trei-
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