| 单词 |
plastidule |
| 释义 |
plastidule Biol.|ˈplæstɪdjuːl|
[a. Ger. plastidul (Haeckel), dim. of plastid: see -ule.]
A hypothetical molecule or ultimate particle of protoplasm, constituting a vital unit, and forming an element or constituent of a plastid or cell.
1877Dawson Orig. World 377 And with Spencer and Haeckel suppose these to be farther divisible into still smaller particles or plastidules. 1878tr. Virchow's Freedom of Science 23. 1879 [see plasson]. 1905Academy & Lit. 28 Jan. 82 Haeckel claims priority for his notion of the plastidule, though this and numerous variants with other names are notoriously none other than the ‘physiological unit’ of Spencer, which preceded them all.
attrib.1877Nature 4 Oct. 492/2 The speaker [Virchow] then criticised somewhat severely Prof. Haeckel's theory of the plastidule soul and of the animated cell.
Hence plaˈstidular, plastiˈdulic adjs., pertaining to a plastidule.
1878tr. Virchow's Freedom of Science 24, I am unable to admit that we should be at all justified in importing the ‘plastidulic soul’ into the course of our education. 1884A. Lambert in 19th Cent. June 954 The theory of a ‘plastidulic soul’. |
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