stain·less 
(stānlĭs)
(stānlĭs)adj.
1. Without stain or blemish: a stainless reputation.
2. Resistant to stain or corrosion: stainless metal.
3. Made of a stainless material: a stainless teapot.
stainless·ly adv.
- orthogonal
- orthogonality
- orthogonally
- orthogonal projection
- orthograde
- orthographer
- orthographic
- orthographical
- orthographically
- orthographist
- orthography
- ortholog
- orthologous
- orthologue
- orthomolecular
- orthomyxovirus
- orthopaedics
- orthopedic
- orthopedically
- orthopedics
- orthopedist
- orthopsychiatric
- orthopsychiatrical
- orthopsychiatrist
- orthopsychiatry