| 释义 |
autogenous, a.|ɔːˈtɒdʒɪnəs|
[f. Gr. αὐτογενής (see prec.) + -ous.]
Self-produced, independent. Applied spec. a. in Phys. to parts of the skeleton developed from independent centres of ossification; b. in Path. to the essential elements of morbid tissues; c. to a process of soldering in which the ends of metal are themselves melted, and so joined. Also applied to a process of welding in which metals are united by melting their edges together, any added welding-metal being of the same composition. Hence autogenously adv.
1846Owen in Brit. Assoc. Rep., Those parts..usually developed from distinct and independent centres, I have termed ‘autogenous.’ 1860F. Galton Vac. Tour 426 Let us hope that a united Italy may develop..an autogenous form of social life. 1878T. Bryant Pract. Surg. I. 102 Capable of secreting their own contents..autogenous cysts, as Sir J. Paget calls them. 1879Spon Workshop Rec., Autogenous Soldering, or burning together. 1883J. W. Queen's Electr. Catal. 16 A case of insulite, having a lid of the same material autogenously soldered in. 1930Engineering 7 Feb. 163/2 The oxygen is chiefly required..for autogenous welding. 1961J. N. Anderson Appl. Dental Mat. (ed. 2) xiii. 116 Sweating..is sometimes referred to as autogenous welding. |