[a. F. tubulure (Baumé, 1773), f. L. tubul-us TUBULE: see -URE.] A short tube, or projecting opening for the insertion of a tube, in a retort or receiver. (Cf. TUBULATED 1.)
1800. trans. Lagrange’s Chem., I. 55. Put iron filings into a jar with two tubulures,… pour into the jar through the second tubulure diluted sulphuric acid. Ibid., 85. Fit to one of the tubulures of the bottle another tube.
1863. Tyndall, Heat, i. 24. This glass bulb has three tubulures.
1883. R. Haldane, Workshop Receipts, Ser. II. 46/1. The water enters the apparatus by the tubulure.
