| Urea
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| appearance as argument number 1 |
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| (documentation Urea EnglishLanguage "Urea is a dry, soluble, nitrogenous substance that is the major solid component of the urine of mammals, and which may be synthesized from ammonia and carbon dioxide, it is useful in the production of Plastic and in Fertilizers.") | Mid-level-ontology.kif 8791-8794 | |
| (externalImage Urea "http://upload.wikimedia.org/wikipedia/commons/c/c0/ Urea.png") | pictureList.kif 4840-4840 | |
| (roomTempState Urea Solid) | Mid-level-ontology.kif 31931-31931 | |
| (subclass Urea OrganicCompound) | Mid-level-ontology.kif 8790-8790 |
| appearance as argument number 2 |
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| (termFormat ChineseLanguage Urea "尿素") | domainEnglishFormat.kif 60741-60741 | |
| (termFormat ChineseTraditionalLanguage Urea "尿素") | domainEnglishFormat.kif 60740-60740 | |
| (termFormat EnglishLanguage Urea "urea") | domainEnglishFormat.kif 60739-60739 |
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