LED
- 01 B2 Upper Intermediate
n.Stands for Light-Emitting Diode. A small, efficient electronic light used in bulbs, screens, and indicators.
n.Abbreviation for Light-Emitting Diode. A semiconductor light source that emits light when current flows through it.
Simple“The little red LED on the television shows that it is still plugged in.”
In context“Modern architectural lighting relies heavily on LED technology due to its superior energy efficiency and versatile colour-temperature options.”
UsageUsually pronounced as individual letters (L-E-D).
- 02 B2 Upper Intermediate
adj.describes something that is controlled or directed by a specific person or group.
adj.functioning under the control, leadership, or direction of a specified agent; frequently used in hyphenated compounds.
Simple“The student-led protest asked for better food in the university cafeteria.”
In context“The community-led initiative successfully lobbied for the preservation of the local parkland against commercial development interests.”
UsageCommonly appears as the second part of a compound adjective, such as 'community-led' or 'expert-led'.
“Since childhood, my bedside clocks have been a series of red, seven-segment LED clock-radio specials from Walmart or Target.”