名詞 intromission:

1. the act of putting one thing into another
   同義詞：insertion, introduction

in.tro.mis.sion

n.（名詞）
The act or process of intromitting; introduction or admission.
進入：進入的動作或過程；引進或接受

來源：
Medieval Latin intrômissiô intrômissiôn- [usurpation]
中世紀拉丁語 intrômissiô intrômissiôn- [纂奪]
from Latin intrômissus [past participle of] intrômittere [to intromit] * see intromit
源自 拉丁語 intrômissus [] intrômittere的過去分詞 [讓…進入] *參見 intromit

【引伸】
in.tromis.sive