1860 Mayne Expos. Lex. ,Thecigerous. 
1877 Huxley Anat. Inv. Anim. iii. 152The theciform projections of the Graptolite stem. 
1891 Cent. Dict. ,Theciferous. 
theci-
combining form 
see thec-
see thec-
| 词汇 | theci- | 
| 词根词缀 | OED Webster 
 
 
 theci- see thec- | 
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