noun-modifying (irregular)
proliferative; productive; multiplicative
Technical term used in biology, medicine, and related fields to describe something that causes or involves rapid growth or multiplication, especially of cells or organisms. Often appears in compounds like 増殖性疾患 (proliferative disease).
このウイルスは増殖性が高い。
This virus is highly proliferative.
増殖性の病変が見つかった。
A proliferative lesion was found.
Compound of 増殖 (proliferation) + 性 (nature, property). The exact historical derivation is uncertain, but the word follows a common pattern for forming technical adjectives in Japanese.