Definition

1. Adjective:
   • Active over a long period of time: Describes something, typically a medication or substance, that is designed to release its effects slowly and continue working for an extended duration.

Usage

• The term is primarily used in medical, pharmaceutical, and scientific contexts to describe drugs, therapies, or chemical agents.
• It is often contrasted with terms like "short-acting" or "immediate-release."

Examples

• Adjective:
  • The doctor prescribed a long-acting insulin to help manage his blood sugar levels throughout the day.
  • This is a long-acting formulation of the medication, so you only need to take one pill every 24 hours.

Advanced Usage

• "Long-acting" vs. "Extended-release": While often used interchangeably, "extended-release" is a more specific pharmaceutical term for a drug formulation designed to prolong its effect. "Long-acting" is a broader descriptive term.
  • The long-acting properties of the new antidepressant aim to improve patient compliance.

Variants and Related Words

• Long-acting is a hyphenated compound adjective. Its opposite is short-acting.
• Sustained-release (adj): A synonym often used in pharmacology, emphasizing a controlled release over time.
• Prolonged-action (adj): Another similar term.

Synonyms

• Extended-release
• Sustained-release
• Slow-release
• Prolonged-action

Antonyms

• Short-acting
• Immediate-release
• Fast-acting

Related Phrases

• Long-acting injectable: A specific type of medication administered via injection that works over a long period.
  • The patient received a long-acting injectable antipsychotic.
• Long-acting bronchodilator: A type of medication used to keep airways open in conditions like asthma or COPD.
  • She uses a long-acting bronchodilator inhaler every morning.

Adjective

1. active over a long period of time