time-release
Học thuậtThân thiện
Definition
- Adjective:
- Designed to release an active substance gradually: Relating to a preparation, especially a medication, that is engineered to dispense its active ingredient slowly and continuously over an extended period after administration.
Usage
- The term time-release is used almost exclusively as an adjective to describe pharmaceuticals, nutrients, or chemicals formulated for controlled, prolonged release. It typically precedes a noun (e.g., , ).
- It describes the property of the preparation itself, not the action of taking it.
Examples
- Adjective:
- The doctor prescribed a time-release painkiller to provide all-day relief.
- These are time-release vitamins that dissolve slowly in your system.
- The technology behind the time-release fertilizer ensures nutrients feed the plants for months.
Advanced Usage
- As a compound modifier: Often hyphenated when used before a noun ("time-release formulation"). It may be written without a hyphen in more technical contexts or after a noun (e.g., "The capsule is time release"), though the hyphenated form is standard.
- Conceptual extension: While primarily technical, the concept can be applied metaphorically to describe non-physical things intended for gradual dissemination (e.g., ).
Variants and Related Words
- Sustained-release (adj): A synonym often used interchangeably in pharmacology.
- Extended-release (adj): Another common synonym, abbreviated as ER or XR on medication labels.
- Controlled-release (adj): A broader term encompassing various release mechanisms, including time-release.
- Delayed-release (adj): Specifically designed to release after a time delay or in a specific part of the digestive system, not necessarily gradually.
Synonyms
- Sustained-release
- Extended-release
- Prolonged-action
- Slow-release
Antonyms
- Immediate-release
- Rapid-release
- Fast-acting
Related Phrases
- Time-release mechanism: The specific component or chemical process that controls the gradual release.
- Time-release capsule/tablet: The common physical forms of such medication.
Adjective
- of or relating to a preparation that gradually releases an active substance (especially a drug) over a period of time