refutal

Definitions of refutal
1

n the act of determining that something is false

Synonyms:
disproof, falsification, falsifying, refutation
Type of:
determination, finding
the act of determining the properties of something, usually by research or calculation

Sign up, it's free!

Whether you're a student, an educator, or a lifelong learner, Vocabulary.com can put you on the path to systematic vocabulary improvement.