skin protection factor
noun
= sun protection factor.
Origin
1980s; earliest use found in Chemical Week.
- opinionless
- opinion mill
- opinionnaire
- opinion piece
- opinion poll
- opinion polling
- opinion pollster
- opinion survey
- opinion trade
- opinious
- opioid
- opiomania
- O. Pip
- opisometer
- opisthe
- opisthion
- opistho-
- opisthobranch
- Opisthobranchia
- opisthobranchiate
- opisthocoelian
- opisthocoelous
- opisthodome
- opisthodomos
- opisthodomus