毒性

1. Origins, structure, and basic meaning

• Structure: 毒性(どくせい) denotes a toxic property or its degree, with 性 indicating a characteristic.
• Basic usage: It describes toxicity in a plant or the toxic effects of a chemical on fish.

2. Common pitfalls and similar expressions

• Weak is different from absent
  • 弱い毒性がある describes weak toxicity while still asserting that it exists. The example follows this phrase with a prohibition against putting the plant in one's mouth.