met·a·phos·phate 
(mĕt′ə-fŏsfāt′)
(mĕt′ə-fŏsfāt′)n.
A salt, ester, or anion of metaphosphoric acid.
- orthographical
- orthographically
- orthographist
- orthography
- ortholog
- orthologous
- orthologue
- orthomolecular
- orthomyxovirus
- orthopaedics
- orthopedic
- orthopedically
- orthopedics
- orthopedist
- orthopsychiatric
- orthopsychiatrical
- orthopsychiatrist
- orthopsychiatry
- orthopteran
- orthopterous
- orthopyroxene
- orthorhombic
- orthoscopic
- orthostatic
- orthotic