形状

1. Origins, structure, and basic meaning

• Structure: 形状 is read as けいじょう and is a noun for the concrete shape or form created by an object's outline and structure.
• Basic usage: Recording a shape appears in 貝殻の形状を描く, while a complex form appears in 複雑な形状.

2. Common pitfalls and similar expressions

• Objective physical form
  • It readily suits concrete and technical contexts involving observation of an object or whether a designed part will fit.
• Difference from 形
  • 形 is the broad everyday word for shape, while 形状 is often used to describe an object's form and structure objectively or technically.