English Reference
noun

optimization

n.
US /ɑptəməˈzeɪʃən/ op·ti·miza·tion UK spelling optimization's, optimization's

  1. 01 B2 Upper Intermediate Academic

    the act of making a system or process work as well as it possibly can.

    the design and operation of a system or process to achieve the most effective or functional state possible.

    Simple

    The company focused on the optimization of its delivery routes to save money on fuel.

    In context

    The logistics manager implemented a series of workflow optimizations that significantly reduced the turnaround time for international shipments.

    Usage

    Often used with the preposition 'of' followed by the process being improved.

  2. 02 C1 Advanced Technical Computing

    making a computer program run faster or use less memory.

    the modification of a software system or algorithm to improve its execution speed or reduce its resource consumption.

    Simple

    After some code optimization, the app started much faster on older phones.

    In context

    The compiler performs several levels of optimization to ensure the final executable runs efficiently on the target hardware architecture.

    Usage

    Commonly functions as an uncountable noun in technical contexts.

    Teacher's tip

    In computing, this often refers to a trade-off where you improve speed at the cost of memory, or vice versa.

This allows them to identify hotspots: specific processes within the product life cycle that have particularly high environmental impacts and can be targeted for optimization.

Phys.org· 18 Aug 2026

Android itself has more foldable optimizations than it once did, and Samsung has taken full advantage of that.

Ars Technica· 14 Aug 2026

From optimize + -ation.

Etymology adapted from Wiktionary, available under CC BY-SA 4.0.

This entry
Level B2 · Upper Intermediate
Frequency Frequent
Updated