[pol-ee-stahyl] /ˈpɒl iˌstaɪl/
having many columns.
[pol-ee-stahy-reen, -steer-een] /ˌpɒl iˈstaɪ rin, -ˈstɪər in/ noun, Chemistry. 1. a clear plastic or stiff foam, a polymer of , used chiefly as an insulator in refrigerators and air conditioners. /ˌpɒlɪˈstaɪriːn/ noun 1. a synthetic thermoplastic material obtained by polymerizing styrene; used as a white rigid foam (expanded polystyrene) for insulating and packing and as […]
[pol-ee-suhl-fahyd] /ˌpɒl iˈsʌl faɪd/ noun, Chemistry. 1. a whose molecules contain two or more atoms of sulfur.
/ˌpɒlɪˈsʌlfaɪd/ noun 1. any sulphide of a metal containing divalent anions in which there are chains of sulphur atoms, as in the polysulphides of sodium, Na2S2, Na2S3, Na2S4, etc
[pol-ee-suh-spen-soid] /ˌpɒl i səˈspɛn sɔɪd/ noun, Physical Chemistry. 1. a in which the solid particles are polydisperse.