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Substitution vs Standby - What's the difference?

substitution | standby |

As nouns the difference between substitution and standby

is that substitution is substitution, replacement while standby is state of readiness without being immediately involved.

As a verb standby is

.

substitution

English

Noun

(en noun)
  • the act of substituting or the state of being substituted
  • a substitute or replacement
  • (chemistry) (especially in organic chemistry) the replacement of an atom, or group of atoms, in a compound, with another

    • Derived terms

    * substitution cipher * substitution reaction * substitution rule

    Anagrams

    *

    standby

    English

    Alternative forms

    * stand-by

    Noun

    (en noun)
  • State of readiness without being immediately involved.
    • ''The troops were on standby in case of an attack.
  • (travel) Waiting at the airport in the hope of getting a seat on a flight that is already booked out.
  • Something that is standard, well-tested, or frequently used.
    • That recipe is an old standby , and she keeps the ingredients around in case of unexpected guests.

    Verb

    • Standby while I check that for you.

    Quotations

    * (English Citations of "standby") English nouns with irregular plurals