{"query": "Europium (Eu) — element 63", "count": 7, "results": [{"id": "card_ref_el_063", "title": "Europium (Eu) — element 63", "shelf": "chemistry", "surface": "secular", "snippet": "Atomic number 63. Symbol Eu. Standard atomic weight 151.964. The europium atom carries 63 protons in its nucleus; its place in the periodic table is fixed by that count. Verified reference data.", "authority_tier": "reference", "source": "Verified reference — chemistry", "generated": false}, {"id": "card_src_word_europium", "title": "europium", "shelf": "dictionary", "surface": "secular", "snippet": "europium: (noun) a bivalent and trivalent metallic element of the rare earth group — syn: Eu, atomic number 63", "authority_tier": "reference", "source": "WordNet 3.0, Princeton University (WordNet License)", "generated": false}, {"id": "card_src_word_eu", "title": "eu", "shelf": "dictionary", "surface": "secular", "snippet": "eu: (noun) a bivalent and trivalent metallic element of the rare earth group — syn: europium, atomic number 63 · (noun) an international organization of European countries formed after World War II to", "authority_tier": "reference", "source": "WordNet 3.0, Princeton University (WordNet License)", "generated": false}, {"id": "card_src_drug_europium_metallicum", "title": "Europium Metallicum", "shelf": "medicine", "surface": "secular", "snippet": "Europium Metallicum: a HUMAN OTC DRUG, pellet given by the oral route.", "authority_tier": "reference", "source": "openFDA / FDA NDC Directory (public domain)", "generated": false}, {"id": "card_src_pron_europium", "title": "europium", "shelf": "pronunciation", "surface": "secular", "snippet": "europium: pronounced (ARPABET) Y UH0 R OW1 P IY0 AH0 M. From the CMU Pronouncing Dictionary — the standard machine-readable pronunciations of North American English.", "authority_tier": "reference", "source": "CMU Pronouncing Dictionary (cmudict) — BSD-2-Clause, Carnegie Mellon", "generated": false}, {"id": "card_src_drug_aluminum_antimony_barium_beryllium_bismuth_boron_bromine_calcium_carbon_cerium_cesium_chloride_chromium_cobalt_copper_dysprosium_erbium_europium_fluoride_gadolinium_gallium_germanium_gold_hafnium_holmium_indium_iodine_iridium_iron_lanthanum_lithium_lutetium_magnesium_manganese_molybdenum_neodymium_nickel_niobium_osmium_palladium_phosphorus_platinum_potassium_praseodymium_rhenium_rhodium_rubidium_ruthenium_samarium_scandium_selenium_silicon_silver", "title": "Aluminum, Antimony, Barium, Beryllium, Bismuth, Boron, Bromine, Calcium, Carbon, Cerium, Cesium, Chloride, Chromium, Cobalt, Copper, Dysprosium, Erbium, Europium, Fluoride, Gadolin", "shelf": "medicine", "surface": "secular", "snippet": "Aluminum, Antimony, Barium, Beryllium, Bismuth, Boron, Bromine, Calcium, Carbon, Cerium, Cesium, Chloride, Chromium, Cobalt, Copper, Dysprosium, Erbium, Europium, Fluoride, Gadolinium, Gallium, German", "authority_tier": "reference", "source": "openFDA / FDA NDC Directory (public domain)", "generated": false}, {"id": "card_src_word_atomic_number_63", "title": "atomic number 63", "shelf": "dictionary", "surface": "secular", "snippet": "atomic number 63: (noun) a bivalent and trivalent metallic element of the rare earth group — syn: europium, Eu", "authority_tier": "reference", "source": "WordNet 3.0, Princeton University (WordNet License)", "generated": false}]}