acidity

CET-4 FREQ #33086

n. 酸性 [化] 酸度; 酸性; 酸性反应

发音

其它 /əˈsɪd.ᵻ.ti/
IN /ə.sɪ.ɖɪ.ʈi/
IN /ˈæ.sɪ.ɖɪ.ʈi/

词形变化

acidities 复数 acidities

释义与例句

n.
  1. 1.

    The quality or state of being acid.

    酸性

    酸度

    可数 不可数
  2. 2.

    Sourness; tartness; sharpness to the taste.

    可数 不可数

    the acidity of lemon juice

    Empty stomachs lead to acidity and leave a sour taste in the mouth.

  3. 3.

    Excessive acid quality, as in gastric secretions.

    可数 不可数 医学
  4. 4.

    A caustic, sour, biting, or bitter quality.

    可数 比喻 不可数

词汇关系

名词

同义词 3

sour acidulousness sourness

反义词 1

alkalinity

上位词 4

sour ph sourness tartness

下位词 5

acerbity hyperacidity tartness vinegariness vinegarishness

相关短语

acidity regulator acidity function acidity regulators acidity functions Hammett acidity function [化] 哈米特酸度函数 Hammett acidity functions

词源

From French acidité, from Latin aciditātem, accusative singular of aciditās (“sourness, acidity”), from acidus (“sour, acid”). Equivalent to acid + -ity.

来源：wiktionary