technicality

Concise Oxford English Dictionary © 2008 Oxford University Press:
technicality/teknɪˈkaləti/

▶noun (pl. technicalities)

• 1 a point of law or a small detail of a set of rules, as contrasted with the intent or purpose of the rules.

• 2 (technicalities) details of theory or practice within a particular field.

• 3 the state of being technical.