ˌ ̷ ̷ ̷ ̷ˈlāshən noun
( -s )
Etymology: Latin tubulation-, tubulatio, from tubulus + -ation-, -atio -ation
1. : the act of shaping or making a tube or of providing with a tube
2.
a. : arrangement or an array of tubes
b. : a tubular piece (as a juncture, connection, or orifice)