불꽃은 없으나 아직 타지 않은 부분이 남아 있는 나무나 석탄 조각
A small piece of partly burned coal or wood that has stopped giving off flames but still contains combustible matter.
예문:
"A tiny cinder popped out of the fireplace and singed the rug."
"The steak was accidentally left on the grill until it was burnt to a cinder."
석탄이나 연료가 다 타고 남은 찌꺼기 또는 금속을 제련할 때 생기는 광재
The residue or ash left after coal or other fuel has been thoroughly burned, or slag from metal smelting.
예문:
"The workers had to clear the heavy cinders from the bottom of the furnace."
"In the past, people used coal cinders to provide traction on icy roads."
화산 분출 시 튀어나온 다공질의 화산암 조각이나 화산재
Fragments of lava or volcanic rock ejected during an eruption, typically porous and dark in appearance.
예문:
"The slopes of the volcano were covered in sharp, dark volcanic cinders."
"A cinder cone is formed by the accumulation of volcanic debris around a vent."
잘게 부순 석탄재 등을 깔아 만든 경주용 트랙
A running track surfaced with crushed cinders or similar material.
예문:
"He preferred running on the old cinder track despite the dust it kicked up."
"Most schools have replaced their cinder tracks with modern synthetic surfaces."