controlled substance

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Controlled Substance

Definition: A "controlled substance" is a type of drug or chemical that the law regulates. This means that the government controls who can have it, use it, or sell it because it can be dangerous or addictive.

Usage Instructions:

• Use "controlled substance" when talking about drugs that are illegal or have strict rules about their use.
• It is often used in health, law, and safety discussions.

Example:

• Sentence: "Marijuana is considered a controlled substance in many places, meaning there are laws about who can use it."

Advanced Usage:

• In legal or medical contexts, you might hear phrases like "schedule I controlled substances," which refers to the classification of drugs based on their potential for abuse and medical use.

Word Variants:

• Controlled: Adjective form referring to the regulation of something.
• Substance: Can refer to any material or matter, not just drugs.

Different Meanings:

• Outside of the legal context, "substance" can also mean the essential part of something or a material with specific properties.

Synonyms:

• Regulated drug
• Restricted drug
• Illegal drug (in some cases)

Idioms and Phrasal Verbs:

• There are no specific idioms or phrasal verbs directly related to "controlled substance," but you might come across phrases like "in the substance of..." meaning "in the essence of..." which refers to the main idea.

Summary:

Remember, "controlled substance" usually refers to drugs that the law has strict rules about because they can be harmful.

Academic

Noun

1. a drug or chemical substance whose possession and use are controlled by law