{"query": "Gadolinium (Gd) — element 64", "count": 5, "results": [{"id": "card_ref_el_064", "title": "Gadolinium (Gd) — element 64", "shelf": "chemistry", "surface": "secular", "snippet": "Atomic number 64. Symbol Gd. Standard atomic weight 157.25. The gadolinium atom carries 64 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_gadolinium", "title": "gadolinium", "shelf": "dictionary", "surface": "secular", "snippet": "gadolinium: (noun) a ductile silvery-white ductile ferromagnetic trivalent metallic element of the rare earth group — syn: Gd, atomic number 64", "authority_tier": "reference", "source": "WordNet 3.0, Princeton University (WordNet License)", "generated": false}, {"id": "card_src_word_gd", "title": "gd", "shelf": "dictionary", "surface": "secular", "snippet": "gd: (noun) a nerve agent easily absorbed into the body; a lethal cholinesterase inhibitor that is highly toxic when inhaled — syn: soman · (noun) a ductile silvery-white ductile ferromagnetic trivalen", "authority_tier": "reference", "source": "WordNet 3.0, Princeton University (WordNet License)", "generated": false}, {"id": "card_src_drug_gadolinium_metallicum", "title": "Gadolinium Metallicum", "shelf": "medicine", "surface": "secular", "snippet": "Gadolinium 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_word_atomic_number_64", "title": "atomic number 64", "shelf": "dictionary", "surface": "secular", "snippet": "atomic number 64: (noun) a ductile silvery-white ductile ferromagnetic trivalent metallic element of the rare earth group — syn: gadolinium, Gd", "authority_tier": "reference", "source": "WordNet 3.0, Princeton University (WordNet License)", "generated": false}]}