HyperDic: atomic_number_8

English > 1 sense of the expression atomic number 8:
NOUNsubstanceatomic number 8, oxygen, Oa nonmetallic bivalent element that is normally a colorless odorless tasteless nonflammable diatomic gas
English > atomic number 8: 1 sense > noun 1, substance
MeaningA nonmetallic bivalent element that is normally a colorless odorless tasteless nonflammable diatomic gas; constitutes / constitutes 21 percent of the atmosphere by volume; the most abundant element in the earth's crust.
Synonymsoxygen, O
Narrowerliquid oxygen, LOXA bluish translucent magnetic liquid / liquid obtained by compressing gaseous oxygen and then cooling it below its boiling point
Broaderchemical element, elementAny 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
gasA fluid in the gaseous state having neither independent shape nor volume and being able to expand indefinitely
Substance ofairA mixture of gases (especially oxygen) required for breathing
ozoneA colorless gas (O3) soluble in alkalis and cold water
water, H2Obinary compound that occurs at room temperature as a clear colorless odorless tasteless liquid / liquid
Spanishnúmero atómico 8, O, oxigeno, oxígeno
Catalannúmero atòmic 8, O, oxigen

©2001-19 · HyperDic hyper-dictionary · Contact

English | Spanish | Catalan
Privacy | Robots

Valid XHTML 1.0 Strict