| NOUN | substance | selenium, Se, atomic number 34 | a toxic nonmetallic element related to sulfur and tellurium |
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| Sounds | sahliy'niyahm | |
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| Rhymes | abolitionism ... zirconium: 557 rhymes with ahm... | |
| Meaning | A toxic nonmetallic element related to sulfur and tellurium; occurs in several allotropic forms; a stable grey metallike allotrope conducts electricity better in the light than in the dark and is used in photocells; occurs in sulfide ores (as pyrite). | |
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| Synonyms | Se, atomic number 34 | |
| Broader | antioxidant | Substance that inhibits oxidation or inhibits reactions promoted by oxygen or peroxides |
| chemical element, element | Any of the more than 100 known substances (of which 92 occur naturally) that cannot be separated into simpler substances and that singly or in combination constitute all matter | |
| Substance of | pyrite, iron pyrite, fool's gold | A common mineral (iron disulfide) that has a pale yellow color |
| Spanish | número atómico 34, selenio, Se | |
| Catalan | número atòmic 34, seleni, Se | |
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