explainer

About 0.04 uses per million words.

Meaning

1. noun Agent noun of explain; one who explains.
2. noun A guide that explains a topic.

   Confused by the Olympics? Here's a video explainer.

Similar words

explanator explicator expounder overexplainer guide expositor irving the explainer illuminator explainee interpreter

Often followed by

of and is has to or must in can

Word family

explainers