| 单词 | autogenic | 
| 释义 | autogenicadj. 1.  Self-produced, self-generated; arising from oneself; self-induced; endogenous. Cf. autogenous adj. 1. ΘΚΠ the world > existence and causation > creation > 			[adjective]		 > created or produced > by oneself self-made?1574 self-wrought1586 self-created1606 self-devised1608 self-formed1642 self-making1660 self-generating1745 self-create1766 autogenous1826 self-fashioned1833 autogenic1852 autogeneal1864 1852    Med. Times & Gaz. 15 May 489/2  				Exogenic processes of earthy matter possessed an importance equal to that of autogenic processes. 1858    Brit. Jrnl. Dental Sci. 2 73/2  				The anatomical elements of the tooth (according to this theory) developing themselves spontaneously (autogenic generation) at the surface of the germs, without direct participation in their tissue. 1890    C. A. Mercier Sanity & Insanity xiii. 343  				The melancholy..is a spontaneous and autogenic melancholy. 1911    Jrnl. Exper. Med. 14 244  				Autogenic and homogenic plasma constitute the best media, but heterogenic plasma can also be used. 1980    Insectes Sociaux 27 80  				The autogenic determination which separates queen and worker castes is succeeded by the larval trophogenic determination which is also at the origin of the soldiers. 2003    E. H. Huizing  & J. A. M. de Groot Functional Reconstructive Nasal Surg. v. 185/1  				Finally, a plate of autogenic septal cartilage or bone is inserted between the two septal flaps.  2.  Engineering. Of welding or soldering: = autogenous adj. 2. ΘΚΠ society > occupation and work > industry > working with specific materials > working with metal > 			[adjective]		 > type of soldering autogenic1860 autogenous1879 1860    R. Hunt Ure's Dict. Arts 		(ed. 5)	 I. 234  				In Devonport dockyard, the autogenic process [of soldering] has been largely used. 1908    Jrnl. Iron & Steel Inst. 76 358  				The application of autogenic welding for repairing steam-boilers. 2008    M. Strlic et al.  in  M. Castillejo et al.  Lasers in Conservation of Artworks 137/2  				This suggests that an autogenic welding has been employed for connecting the two strip sides.  3.  Ecology. Designating or relating to changes in a habitat, ecosystem, etc., caused by internal biotic factors rather than external influences; esp. successional changes caused by modification of the environment by vegetation. Opposed to allogenic adj. 2. ΘΚΠ the world > life > biology > balance of nature > 			[adjective]		 > succession successional1922 allogenic1929 autogenic1931 1931    W. B. McDougall Plant Ecol. 		(ed. 2)	 xix. 259  				Successions that are brought about by the reactions of the plants themselves are sometimes called autogenic successions while those caused by climatic or physiographic factors are called allogenic successions. 1946    A. G. Tansley Introd. Plant Ecol. xiii. 157  				The accumulation of humus..is a direct reaction of the plant community itself upon its habitat (autogenic factor). 1999    J. L. Chapman  & M. J. Reiss Ecology 		(ed. 2)	 xvi. 207  				Autogenic succession can be brought about by changes in the soil caused by the organisms growing there. 2006    A. G. van der Valk Biol. Freshwater Wetlands v. 91  				After zones are established they may undergo many changes in composition due to both internally (autogenic) and externally (allogenic) induced changes in environmental conditions.  4.  Originally and chiefly in  autogenic training. Designating a relaxation technique utilizing a form of self-hypnosis and biofeedback, esp. as a way of managing stress; of or relating to this or similar techniques. Cf. autogenics n. ΚΠ 1954    J. H. Schultz in  Brit. Jrnl. Med. Hypnotism 5  iii. 23/1  				The fundamental discoveries of Freud and his followers changed the whole field of our working and thinking. Therefore other methods, for instance, hypnosis, or autogenic training..were not given a fair hearing. 1973    Psychosomatic Med. 35 130/1  				Autogenic training..involves the simultaneous regulation of mental and somatic functions. 1977    Yoga Jrnl. July–Aug. 44/2  				I will mention only autogenic therapy as one of many different relaxation techniques. 1996    S. Lavery et al.  Hamlyn Encycl. Complementary Health 133/1  				Six standard autogenic exercises which use key phrases such as, ‘My arms are warm and heavy’ to focus your attention on the physiological changes occurring when you start to relax. 2006    G. Buzsáki Rhythms of Brain viii. 216  				The method suggested to achieve such goals is a hybrid of autogenic training and neurofeedback. This entry has been updated (OED Third Edition, June 2011; most recently modified version published online June 2022). <  | 
	
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