doctors is a form of:

Serpentine



adjective
1.
(Of or a serpent, winding and twisting ease en) ដែលក្រវិច ក្រវៀន, ដែលវៀចវេរ, ដែលបត់បែន (ដូច ស្នាមពស់វារ)
Example: A serpentine path.
ENGLISH MEANING
noun
1.
A mineral or rock consisting chiefly of the hydrous silicate of magnesia. It is usually of an obscure green color, often with a spotted or mottled appearance resembling a serpent's skin. Precious, or noble, serpentine is translucent and of a rich oil-green color.
2.
A kind of ancient cannon.
adjective
1.
Resembling a serpent; having the shape or qualities of a serpent; subtle; winding or turning one way and the other, like a moving serpent; anfractuous; meandering; sinuous; zigzag; as, serpentine braid.
1.
To serpentize