Polystichia
polystichia pol·y·stich·i·a (pŏl’ē-stĭk’ē-ə)
n.
An abnormal arrangement of the eyelashes in two or more rows.
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[puh-lis-ti-kuh s] /pəˈlɪs tɪ kəs/ adjective 1. arranged in rows or series. /ˌpɒlɪˈstaɪkəs/ adjective 1. (of plant parts) arranged in a number of rows polystichous po·lys·ti·chous (pə-lĭs’tĭ-kəs) adj. Arranged in two or more rows.
- Polystyle
[pol-ee-stahyl] /ˈpɒl iˌstaɪl/ adjective 1. having many columns.
- Polystyrene
[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 […]
- Polysulfide
[pol-ee-suhl-fahyd] /ˌpɒl iˈsʌl faɪd/ noun, Chemistry. 1. a whose molecules contain two or more atoms of sulfur.
- Polysulphide
/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