単たん位い体たい積せき重じゅう量りょう

noun

unit weight; weight per unit volume

Technical term used in engineering and physics to express the weight of a substance per unit volume. Equivalent to density multiplied by gravitational acceleration.

• 土つちの単たん位い体たい積せき重じゅう量りょうを測そく定ていする。

  Measure the unit weight of the soil.

• この材ざい料りょうの単たん位い体たい積せき重じゅう量りょうは水みずより大おおきい。

  The unit weight of this material is greater than that of water.