substitution

/,sʌbsti'tju:ʃn/

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Word: Substitution

Part of Speech: Noun

Definition: The word "substitution" means the act of replacing one thing or person with another. For example, if someone is not available, you might send someone else in their place.

Usage Instructions:

• Use "substitution" when talking about replacing items, people, or ideas.
• It is often used in contexts like sports, cooking, or medical situations.

Example Sentences:

1. In sports, a coach might make a substitution to bring in a fresh player: "The coach made a substitution in the second half of the game."
2. In cooking, you can use a substitution if you don’t have the right ingredient: "I used applesauce as a substitution for oil in the cake recipe."

Advanced Usage:

• In mathematics, "substitution" can refer to replacing a variable with a number or another expression in an equation.
• In linguistics, it can refer to the use of one word or phrase in place of another in a sentence.

Word Variants:

• Substitute (verb): To replace or take the place of something. For example: "You can substitute sugar with honey in this recipe."
• Substitutable (adjective): Capable of being substituted. For example: "These ingredients are substitutable in most dishes."

Different Meanings:

1. General Use: Replacement in various contexts (e.g., sports, food).
2. Medical: Referring to replacing something lost or removed, such as blood.
3. Mathematics: Replacing a variable with a specific value.

Synonyms:

• Replacement
• Exchange
• Alternative
• Stand-in

Idioms:

• "Substitute teacher": A teacher who temporarily takes the place of another teacher.
• "No substitute for": This phrase means that nothing can replace something else in terms of quality or effectiveness. For example: "There's no substitute for hard work."

Phrasal Verbs:

• While there aren't direct phrasal verbs that use "substitution," you might talk about "substituting in" or "substituting out," especially in sports contexts.

Summary:

"Substitution" is a versatile word that describes the act of replacing one thing with another. It can be used in everyday situations, in sports, cooking, medical fields, and more.

Academic

Noun

1. the act of putting one thing or person in the place of another: "he sent Smith in for Jones but the substitution came too late to help"
2. an event in which one thing is substituted for another
   • the replacement of lost blood by a transfusion of donor blood

Synonyms

• exchange
• commutation
• permutation
• transposition
• replacement
• switch