also: ローソクのしん
candle wick
Refers specifically to the wick of a candle, the string that burns.
The candle wick has become short, so the flame is about to go out.
Please buy a new candle wick.
蝋燭 means 'candle' as a whole, while 蝋燭の芯 specifically refers to the wick.
芯 is a general term for 'wick' or 'core', used in various contexts (e.g., pencil lead, fruit core). 蝋燭の芯 is the specific candle wick.
Standard kanji spelling using 蝋燭 (candle) and 芯 (wick).
Variant using 心 (heart) for 芯; less common and potentially confusing.
Katakana spelling for 蝋燭, sometimes used for clarity or stylistic reasons.
Compound of 蝋燭 (candle) + の (possessive particle) + 芯 (wick). The kanji 芯 originally refers to the pith or core of a plant, extended to mean wick.