aurantiaceous

adjective au·ran·ti·a·ceous

Definition of aurantiaceous

1 : relating to or resembling the sour orange

2 : of or relating to the family Rutaceae

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Origin and Etymology of aurantiaceous

in sense 1, from New Latin aurantium (specific epithet of Citrus aurantium) + English -aceous; in sense 2, from New Latin Aurantiaceae + English -ous