hectopascalWiktionary 原文英美构词拆解hectohecto-前缀pascalpascal词干hecto-hundred · In the International System of Units and other metric systems of units, multiplying the unit to which it is attached by 100. Symbol: h词源说明From hecto- + pascal.释义名词noun1(metrology) An SI unit of pressure equal to 102 pascals. Symbol: hPa