explicandum
noun
a term or statement that is to be explained, as in a philosophical discussion.
The grammatical form denoting more than one person, place, thing, or idea.
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Science takes the objects of experience as explicanda, things that stand in need of explanation.
From Scientific American ● May 24, 2011