微塵|みじんmijin[0]heiban (flat)

1. nounparticle; atom; little piece
2. no-adjectivenot at all; not the slightestused with neg. verb, often as 微塵も〜ない
   彼かれには親切心しんせつしんなどみじんもない。↗

   He doesn't have a particle of kindness in his heart.

• Synonym粒子りゅうしNeutralScientific term for the particles that make up matter; 「微塵」 is fine dust or fragments, mostly seen in 「微塵もない」 meaning not even a bit.
• Synonym微粒子びりゅうしWrittenWritten/formal prose for extremely fine particles, common in science and industry; 「微塵」 usually means not a bit or tiny fragments.
• Synonym微粒びりゅうWrittenWritten/formal prose for fine particles; 「微塵」 leans toward fragments, or not a bit in negative sentences.
• RelatedほこりNeutralThe everyday word for dust; 「微塵」 is extremely fine dust or fragments, and is more often used as 「微塵も〜ない」.
• Related土埃つちぼこりNeutralDust raised from the ground by wind; 「微塵」 does not specifically suggest dust flying up.
• Related塵埃じんあいWrittenWritten/formal prose for dust, also a metaphor for the mundane world and petty affairs; 「微塵」 points to extremely fine particles.
• Related砂埃すなぼこりNeutralSand dust whipped up by the wind; 「微塵」 refers to extremely fine fragments.
• Related砂塵さじんWrittenWritten/formal prose for blowing sand and dust; 「微塵」 does not specifically refer to sand.
• Related風塵ふうじんWrittenWritten/formal prose for wind-scattered dust, also figurative for worldly cares; 「微塵」 stresses extreme fineness.
• RelatedダストNeutralLoanword for dust and particulates, mostly in technical contexts; 「微塵」 usually means not a bit or tiny fragments.

For everyday dust say 「埃」; for dust or sand kicked up by wind use 「砂埃」 or 「土埃」; for particles in science use 「粒子」. 「微塵」 itself is mostly seen in 「微塵もない」 (not even a bit) or 「木っ端微塵」 (smashed to bits).

Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only

1. 細こまかい埃ほこりや塵ごみ。
2. 物ものが割われるなどして細こまかい破片はへんとなること。
3. （みじん）（「も」および打ち消うちけしの語ごを伴ともない）量りょうや程度ていどがわずかであるさま。すこしも。
4. （みじん）非常ひじょうに微細びさいな物質ぶっしつ。