Identicalness n. : The quality or state of being identical; sameness.

Example:
Should we dress them alike or different?

Taxonomy
dictionary, Encyclopedia, identical twins, identity, thesaurus browser, online dictionary, twin, sameness, Free Online Dictionary, synonyms, antonyms, English dictionary, Translations, free online English dictionary, law, explanation, Acronyms, Idioms.

Defination from the web:
Identicalness in the Online Dictionary. Meaning of Identicalness. Pronunciation of Identicalness. Translations of Identicalness. ... Identicalness. identifiable. identifiably. identification. identification card. identification friend or foe personal identifier ...