Refusal

n. act of refusing, denial, rejection

A refusal is a term used in horse riding, when the horse does not jump a fence to which he was presented. This includes any stop in forward motion. A run-out is when the horse quickly slides past or "ducks out" of a fence instead of jumping it, without stopping forward motion.
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Noun
1. the act of refusing
(hypernym) denial
(hyponym) repudiation
(derivation) reject, turn down, turn away, refuse
2. a message refusing to accept something that is offered
(hypernym) message, content, subject matter, substance
(hyponym) declination, regrets
(derivation) refuse, reject, pass up, turn down, decline

(n.)
The right of taking in preference to others; the choice of taking or refusing; option; as, to give one the refusal of a farm; to have the refusal of an employment.
  

(n.)
The act of refusing; denial of anything demanded, solicited, or offered for acceptance.
  

Refusal/rejection:
the examination division will refuse a European patent application if it is of the opinion that such application or the invention to which it relates does not meet the requirements of the EPC, or if the applicant fails to observe a given time limit (Articles 97(1) and 121(1), Rule 51(5) EPC). the Office will reject an opposition or an appeal if it does not fulfil the necessary requirements (Articles 101 and 110 EPC).