What's the difference between
and
Enter two words to compare and contrast their definitions, origins, and synonyms to better understand how those words are related.

Spontaneous vs Passivation - What's the difference?

spontaneous | passivation |

As an adjective spontaneous

is self-generated; happening without any apparent external cause.

As a noun passivation is

the process of making a material passive (non-reactive) in relation to another material prior to using the materials together.

spontaneous

English

Adjective

(en adjective)
  • Self-generated; happening without any apparent external cause.
  • He made a spontaneous offer of help.
  • Done by one's own free choice, or without planning.
  • proceeding from natural feeling or native tendency without external or conscious constraint
  • arising from a momentary impulse
  • controlled and directed internally; self-active; spontaneous movement characteristic of living things
  • produced without being planted or without human labor]]; [[endemic, indigenous
  • a spontaneous growth of wood
  • Random.
  • Sudden, without warning.
  • Synonyms

    * (self-generated) autonomous * (sense, done by one's own free choice) autonomous * autonomous

    Derived terms

    * spontaneousity

    passivation

    Noun

  • (chemistry, materials science) The process of making a material passive (non-reactive) in relation to another material prior to using the materials together.
  • (chemistry) The spontaneous formation of a hard non-reactive surface film (usually an oxide or nitride) that inhibits further corrosion.
  • Conversion of a non-passive dynamical system into a passive one.