Look up atomicity in Wiktionary, the free dictionary.

Atomicity may refer to:

• Atomicity (chemistry), the total number of atoms present in 1 molecule of a substance
• Valence (chemistry), sometimes referred to as atomicity

• Atomicity (database systems), a property of database transactions which are guaranteed to either completely occur, or have no effects
• Atomicity (programming), an operation appears to occur at a single instant between its invocation and its response
• Atomicity, a property of an S-expression, in a symbolic language like Lisp

• Atomicity, an element of orthogonality in a component-based system
• Atomicity, in order theory; see Atom (order theory)

• Atom (disambiguation)

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