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marigold

(Encyclopedia) marigold, any plant of the genus Tagetes of the family Asteraceae (aster family), mostly Central and South American herbs cultivated elsewhere as garden flowers. The two common species…

butter-and-eggs

(Encyclopedia) butter-and-eggs, common name for a plant of the family Scrophulariaceae (figwort family) and sometimes for other yellow-and-orange flowers. Butter-and-eggs plants are classified in the…

corn earworm

(Encyclopedia) corn earworm or cotton bollworm, destructive larva of a moth, Heliothis zea. Also known as tomato fruitworm, the larva attacks a variety of crops, boring into and feeding on the…

blackbird

(Encyclopedia) blackbird, common name in North America of a perching bird allied to the bobolink, the meadow lark, the oriole, and the grackle and belonging to the family Icteridae. The European…

rocket, in botany

(Encyclopedia) rocket, in botany, popular name for several plants of the family Cruciferae (or Brassicaceae; mustard family). The dame's, or damask, violet, damewort, or sweet rocket is Hesperis…

Yinchuan

(Encyclopedia) Yinchuan or YinchwanYinchuanboth: yĭnˈchwänˈ [key], city (1994 est. pop. 412,900), capital of Ningxia Hui Autonomous Region, China, on the Huang He (Yellow River). It is a shipping…

lanolin

(Encyclopedia) lanolin, greasy, yellow substance extracted from wool. When purified, it is used as a base for ointments and creams, as a lubricant, and in finishing and preserving leather. It is also…

Qinhuangdao

(Encyclopedia) Qinhuangdao or ChinwangtaoChinwangtaoboth: chĭnˈhwängˈdouˈ [key], city (1994 est. pop. 412,500), NE Hebei prov., China, on the Bohai, an arm of the Yellow Sea. It is an ice-free port…

ferric sulfate

(Encyclopedia) ferric sulfate or iron (III) sulfate, chemical compound, Fe2(SO4)3, a yellow rhombic crystalline hygroscopic water-soluble salt that decomposes when heated to a temperature of 480℃.…

picric acid

(Encyclopedia) picric acidpicric acidpĭkˈrĭk [key] or 2,4,6-trinitrophenol2,4,6-trinitrophenoltrīˌnīˌtrōfēˈnōl [key], C6H2(NO2)3OH, a toxic yellow crystalline solid that melts at 122℃ and is soluble…