displacement
/dɪsˈpleɪsmənt; dɪs`plesmənt/ n
1 [U] displacing or being displaced 移位; 取代.
2 [C] (nautical 海) weight of water displaced by a ship floating in it, used as a measure of the ship's size 排水量
a ship with a displacement of 10000 tons 排水量为10000吨的船只.