| 单词 | picra |
| 释义 | picra /pikˈrə/noun short for hiera-picraORIGIN: Gr pikros bitter picˈrate noun A highly explosive salt of picric acid picˈric adjective picˈrite noun (mineralogy) A coarse-grained igneous rock composed mainly of olivine with ferromagnesian minerals and usually some plagioclase picrocarˈmine noun A stain for microscope work made from carmine, ammonia, water and picric acid picrotoxˈin noun A bitter poisonous principle in the seeds of Cocculus indicus picric acid noun C6H2(NO2)3OH trinitrophenol, used as a yellow dyestuff and as the basis of high explosives (also called 2,4,6-trinitro-1-hydroxybenzene) |
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