phos·pho·rous 
(fŏsfər-əs, fŏs-fôrəs)
(fŏsfər-əs, fŏs-fôrəs)adj.
Of, relating to, or containing phosphorus, especially with valence 3 or a valence lower than that of a comparable phosphoric compound.
- sycophantical
- sycophantically
- sycosis
- Sydenham
- compound
- compoundable
- compound-complex sentence
- compounder
- compound eye
- compound fraction
- compound fracture
- compound gland
- compounding pharmacy
- compound interest
- compound leaf
- compound lens
- compound machine
- compound microscope
- compound number
- compound sentence
- comprador
- compradore
- comprehend
- comprehendible
- comprehendingly