double bond

Noun

 * 1)  A covalent bond in which two electron pairs (instead of the usual one) are shared between two atoms; most common between carbon atoms and carbon, oxygen or nitrogen atoms, but several other forms are known.

Translations

 * Chinese:
 * Mandarin:
 * Danish: dobbeltbinding
 * Dutch: dubbele binding
 * Finnish:
 * German: Doppelbindung
 * Hungarian: kettős kötés
 * Irish: nasc dúbailte
 * Japanese: 二重結合
 * Portuguese: