lõhustuva
Lõhustuva is the partitive singular form of the Estonian word "lõhustuv", which itself is a present active participle derived from the verb "lõhustuma". The verb "lõhustuma" means to break apart, to decompose, or to disintegrate. Therefore, "lõhustuva" refers to something that is in the process of breaking apart, decomposing, or disintegrating.
In scientific contexts, "lõhustuva" can describe a substance that is undergoing chemical decomposition, a biological organism