What does "explanandum" mean?

That which is to be explained (cf. explanans).

What is a synonym for "explanandum"?

Common synonyms include: explicandum.

noun

noun ·Rare ·Advanced level

Noun

1
That which is to be explained (cf. explanans).
"Yet the most convincing thing was not this sense of familiarity, or the shards of explananda that my theory could account for."
2
(logic) a statement of something (a fact or thing or expression) to be explained wordnet

"Yet the most convincing thing was not this sense of familiarity, or the shards of explananda that my theory could account for."

From Latin explanandum.