Definition

1. Adjective:

   • Spontaneous / Autogenous: Occurring or produced without external cause, intervention, or agency. In biology, it refers to the supposed spontaneous generation of life from non-living matter. In technology, it describes a process that is self-generated or self-sustaining.

2. Verb (rare):

   • To self-generate / To arise spontaneously: To come into being or originate from within itself, without an external source.

Usage Examples

• Adjective:
  • Thuyết tự sinh từ lâu đã bị khoa học bác bỏ. (The theory of spontaneous generation was long ago disproven by science.)
  • Hàn tự sinh là một phương pháp hàn kim loại quan trọng. (Autogenous welding is an important metal welding method.)

Advanced Usage

• "hàn tự sinh": autogenous welding (a welding process that uses no filler material, fusing the base metal itself).
  • Mối hàn tự sinh rất chắc và sạch. (An autogenous weld is very strong and clean.)

Variants and Related Words

• Tự sinh tự diệt (phrase): To arise and perish spontaneously; to follow a natural, unmanaged cycle.
  • Công ty đó để mặc cho các dự án tự sinh tự diệt. (That company lets projects arise and fail on their own.)

Synonyms

• Spontaneous: Performed or occurring as a result of a sudden inner impulse or without premeditation.
• Autogenous: Self-generated; originating within the same body or entity.
• Abiogenetic: (In biology) relating to the origin of life from non-living matter.

Related Idioms

• Của tự sinh tự dưỡng: (Literally: self-generated, self-nourished wealth) Wealth or possessions acquired through one's own effort and labor, not inherited.
  • Toàn bộ tài sản của ông ấy đều là của tự sinh tự dưỡng. (All of his assets are self-made wealth.)