粘着

1. Origins, structure, and basic meaning

• Structure: Spelling: 粘着. Reading: ねんちゃく. Core meaning: adhesion; stickiness.
• Basic usage: Representative examples: 古いテープは粘着力が弱く、すぐにはがれた / ラベルが箱の表面にしっかり粘着している.

2. Common pitfalls and similar expressions

• Adhesion versus viscosity
  • 粘着 is the property or state of tape, a label, or another material adhering to a surface. Distinguish it from 粘性, which is a fluid's internal resistance to flow.