cationic

/ˌkat-(ˌ)ī-ˈä-nik ˌka-(ˌ)tī-/ (ame, mw)

cationic — adjective

  • cationicpositive
  • more cationiccomparative
  • most cationicsuperlative

1. connected with a positively charged ion, or having that kind of charge as part o

1.形容詞C2
釋義

connected with a positively charged ion, or having that kind of charge as part of it.

例句

In the lab, students tested how a cationic dye clung to white cotton.

cationic + dye

The chart marked cationic particles with a plus sign beside each name.

plus sign signals positive charge

同義詞
  • positively charged

    broader plain-English phrase that explains the same charge idea with less technical wording

  • cation-bearing

    rare technical wording that stresses the presence of cations in a material or surface

反義詞
  • anionic

    relating to negatively charged ions instead

  • neutral

    having no net electric charge

文法句型

cationic + dye/coating/polymer/surface

be + cationic

用法筆記

Usually appears in chemistry or materials-science writing before nouns such as dye, polymer, coating, or surface. In less technical English, writers often explain it with the broader phrase 'positively charged' instead.

常見錯誤

❌Calcium is a cationic.
✅Calcium is a cation.
💡'cationic' is an adjective; use 'cation' for the ion itself.