poliosis
/ˌpɒlɪˈəʊsɪs/Medicine
noun
Partial or general greyness or whiteness of the hair, especially if premature; specifically the presence of a circumscribed area of white hair in the scalp (a white forelock).
Origin
Early 19th century; earliest use found in John Mason Good (1764–1827), physician and surgeon. From post-classical Latin poliosis from ancient Greek πολιός grey + post-classical Latin -osis.
- Swiss roll
- Swiss shower
- switch
- switchable
- switchback
- switchblade
- switchboard
- Switch card
- switched-on
- switcher
- switcheroo
- switchgear
- switchgrass
- switch-hitter
- switch-hitting
- switchman
- switch off
- switchover
- switch plate
- switch selling
- switch something off (or on)
- switchyard
- swither
- Swithin, St
- Swithun