[f. L. volūmen (cf. prec.) taken in the sense of VOLUME sb. 7 + -OMETER.] (See quot. 1868.) Also Volumenometry, ‘the art of determining the volumes or spaces occupied by bodies’ (Imp. Dict., 1884).
1857. Miller, Elem. Chem., Org., 765. Their apparatus or volumenometer consists of a globular flask provided with a long narrow neck … graduated from below upwards, to indicate grains of water.
1868. Watts, Dict. Chem., V. 1005. Volumenometer, or Stereometer.… Instruments for measuring the volume of a solid body by the quantity of a liquid or of air which it displaces, and thence also determining its specific gravity.
