This is the 2065th most frequent Japanese word.
准
"准" means "quasi-, semi-, prospective, or associate."
The word 准 is used here as a prefix to indicate a role that is subordinate or auxiliary, such as 'associate' in 'associate professor'.
彼は准教授として働いています。
He is working as an associate professor.
In this context, 准 is used in conjunction with 条件 (condition) to describe '准条件' (qualifying condition), indicating additional or supporting criteria.
この規則にはいくつかの准条件が必要です。
This rule requires some qualifying conditions.
Here, 准 is utilized to modify 承認 (approval), resulting in 准承認 (provisional approval), referring to a preliminary or assistant type of endorsement.