senescent

/si'nesnt/

Thân thiện

The scientist studies senescent cells under the microscope.

Definition

1. Adjective:
   • Growing old; showing the characteristics of old age: The primary meaning describes the process of becoming old or the state of being old, often with an implication of the associated decline or deterioration.
   • Characteristic of or undergoing senescence: Pertaining to the biological process of aging in cells or organisms.

Usage Examples

• Adjective:
  • The study focused on the molecular changes in senescent cells.
  • The once-vibrant neighborhood had a senescent feel, with many original residents now elderly.
  • Botanists study senescent leaves to understand nutrient recycling in plants.

Advanced Usage

• "Senescent cells": In biology and medicine, this is a specific term for cells that have stopped dividing and entered a state of permanent growth arrest, often secreting factors that can affect surrounding tissue.
  • Researchers are investigating drugs that can clear senescent cells to combat age-related diseases.
• Used in formal, academic, or technical contexts (e.g., gerontology, biology, sociology) rather than everyday conversation.

Variants and Related Words

• Senescence (n): The condition or process of being senescent; the state of being old or the process of aging.
  • Cellular senescence is a key area of anti-aging research.
• Senesce (v): To grow old; to reach a stage of maturity followed by decline. (This verb is less common than the adjective.)
  • Some plants senesce quickly after flowering.

Synonyms

• Aging: The process of growing old (more general and common).
• Aged: Having lived for a long time; no longer young.
• Declining: Decreasing in physical strength, health, or vigor.

Antonyms

• Juvenile: Characteristic of youth or young people.
• Young: Being in an early stage of life, growth, or development.
• Vital: Full of life and energy.

Học thuật

Adjective

1. growing old

Từ đồng nghĩa

• aging
• ageing