Definition of puncturation in US English:

puncturation

noun

  • 1The action or an act of puncturing or pricking something. Formerly also: †a puncture, a prick (obsolete).

  • 2Chiefly Entomology. The condition of being marked with dots, pits, or punctures; = "punctation".

Origin

Mid 18th century; earliest use found in George Cheyne (1671-1672–1743), physician. From puncture + -ation.

Pronunciation

puncturation

/ˌpʌŋ(k)tʃəˈreɪʃn/