The Collaborative International Dictionary
Multitubular
Multitubular \Mul`ti*tu"bu*lar\, a. [Multi- + tubular.] Having many tubes; as, a multitubular boiler.
Wiktionary
multitubular
a. Having many tubes.
Usage examples of "multitubular".
These have developed into the cylindrical, multitubular boiler and the triple expansion engine, in which a greater percentage of the power of the steam is utilized and four or five times the work obtained from coal over that of the old system.