1. sodium-vapour_lamp

noun. lamp in which an electric current passed through a tube of sodium vapor makes a yellow light; used is street lighting.

Rhymes with Tribasic Sodium Phosphate

2. sodium-vapor_lamp

noun. lamp in which an electric current passed through a tube of sodium vapor makes a yellow light; used is street lighting.

3. phosphate

noun. ['ˈfɑːsfeɪt'] a salt of phosphoric acid.

4. phosphate

noun. ['ˈfɑːsfeɪt'] carbonated drink with fruit syrup and a little phosphoric acid.

5. sodium

noun. ['ˈsoʊdiːəm'] a silvery soft waxy metallic element of the alkali metal group; occurs abundantly in natural compounds (especially in salt water); burns with a yellow flame and reacts violently in water; occurs in sea water and in the mineral halite (rock salt).