fallback — 英語辞典

名詞

1. An act of falling back.

   用法

   • 可算
   • 不可算

   例文

   A failure of one of the rocket's first-stage engines just after liftoff would result in a destructive pad fallback.

   The black hole formed as a result of fallback of ejecta onto the neutron star initially created by the supernova explosion.

2. A backup plan or contingency strategy; an alternative which can be used if something goes wrong with the main plan; a recourse.

   用法

   • 可算
   • 不可算

   例文

   As a fallback, I suppose we can use typewriters if the word processing system fails.

3. A reduction in bitumen softening point, sometimes called refluxing or overheating, in a relatively closed container.

   用法

   • 可算
   • 不可算

4. Pulverised material that falls back to earth after a nuclear explosion; fallout.

   用法

   • 可算
   • 不可算

   例文

   Particle size distributions of fallback and ejecta were determined principally by mechanical sieving and weighing.

形容詞

1. That can be resorted to as a fallback.

   用法

   • not-comparable

   同義語

   alternatealternativeback-upbackupsecondary

   例文

   a fallback plan

名詞

1. to break off a military action with an enemy

   同義語

   disengagementpullout

   上位語

   retreat