noun which may take the genitive case particle 'no', noun
erosive
Medical term describing a condition or substance that causes erosion of tissue, such as erosive gastritis or erosive esophagitis. Used attributively with の.
びらん性胃炎と診断された。
I was diagnosed with erosive gastritis.
この薬はびらん性食道炎に効果がある。
This medicine is effective for erosive esophagitis.
びらん is the noun meaning 'erosion' or 'ulceration' (of tissue), while びらん性 is the adjectival form meaning 'erosive'.
Compound of びらん (erosion/ulceration, from Middle Chinese 糜爛) and 性 (-sei, 'nature/characteristic'). The kanji 糜爛 is rarely used in modern Japanese; the kana spelling びらん is standard.