laeotropic
adjective
lae·o·trop·ic
¦lēə‧¦träpik
variants or laeotropous or leiotropic
lēˈä‧trəpəs
¦līə‧¦träpik
: turning to the left : sinistral —used especially of various shells, of spiral cleavage patterns, or of the movement of volvox colonies
Word History
Etymology
laeotropic or laeotropous from Greek laios left + English -tropic or -tropous; leiotropic irregular from Greek laios left + English -tropic