discoid : Idioms & Phrases
Discoid flower
(Bot.) , a compound flower, consisting of tubular florets only, as a tansy, lacking the rays which are seen in the daisy and sunflower.
Webster 1913
discoid lupus erythematosus
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noun a chronic skin disease occurring primarily in women between the ages of 20 and 40; characterized by an eruption of red lesions over the cheeks and bridge of the nose
DLE.