ˈträktəˌlīt noun
( -s )
Etymology: German troktolit, from Greek trōktēs, a sea fish (in Late Latin trocta, a trout) + German -lit -lite; from the resemblance to the speckled skin of a trout — more at trout
: gabbro that is chiefly labradorite and olivine with little or no pyroxene