sid·dur 
(sĭdər, -r′)
(sĭdər, -r′)n. pl. sid·du·rim (sĭ-drĭm, sĭ′d-rĭm)
A Jewish prayer book for everyday use.
[Mishnaic Hebrew siddûr, arrangement, from siddēr, to arrange, derived stem of sādar; see sdr in the Appendix of Semitic roots.]
- phosphatidylcholine
- phosphatization
- phosphatize
- phosphaturia
- phosphaturic
- phosphene
- phosphide
- phosphine
- phosphite
- phospho-
- phosphocreatin
- phosphocreatine
- phosphodiesterase
- phosphodiester bond
- phospholipase
- phospholipid
- phosphonium
- phosphoprotein
- phosphor
- phosphor bronze
- phosphoresce
- phosphorescence
- phosphorescent
- phosphorescently
- phosphoric