noun
Technical term in monetary policy: central bank actions to offset the impact of foreign exchange intervention on the domestic money supply.
中央銀行は為替介入の影響を不胎化するために公開市場操作を行った。
The central bank conducted open market operations to sterilize the impact of the foreign exchange intervention.
不胎化政策がなければ、通
Without sterilization policy, the money supply would increase.
Compound of 不 (not) + 胎化 (conception/fertilization), literally 'non-fertilization', used as a calque for the economics term 'sterilization'.