burette
noun
a graduated glass tube, commonly having a stopcock at the bottom, used for accurately measuring or measuring out small quantities of liquid.
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
The bubble buret, the surface of the stream remains without a ripple.
From Davenport Dunn, Volume 1 (of 2) A Man Of Our Day by Charles James Lever