plural of perimeter check

(UK, television) A period of time on a Saturday during which football matches may not be broadcast (so as to avoid reduced attendance in person at other football matches that are not being televised).

(grammar) The part of a syntactic tree above the inflectional phrase(s) (expressing tense, aspect, and/or mood), where topic, focus, illocutionary force, etc. are expressed.

plural of periodic acid

plural of period drama

plural of non-periodic comet

Alternative spelling of quasiperiodic

(accounting) A system of assessing a business' inventory in which updates are made on a periodic basis, so that a completely accurate account is only available immediately after the update.