English Reference
noun

conservation

n.
US /ˌkɑnsɝˈveɪʃən/ UK /kˌɒnsəvˈeɪʃən/ con·ser·va·tion UK spelling conservation's, conservation's

  1. 01 B2 Upper Intermediate Science

    the protection of plants, animals, and natural areas from the damaging effects of human activity.

    the preservation and management of biodiversity, ecosystems, and natural resources to prevent extinction or habitat loss.

    Simple

    The local conservation group is working to protect the forest from new housing projects.

    In context

    Effective wildlife conservation requires a delicate balance between protecting endangered species and supporting the economic needs of local communities.

    Usage

    Often used as a modifier before another noun, such as 'conservation area' or 'conservation effort'.

  2. 02 B2 Upper Intermediate

    the act of using less of something, like water or energy, so that it is not wasted.

    the planned management of a limited resource to prevent exploitation, destruction, or neglect.

    Simple

    Water conservation becomes very important during the dry summer months.

    In context

    The government introduced new tax incentives to encourage energy conservation in industrial manufacturing plants.

  3. 03 C1 Advanced Technical

    the professional care and repair of old buildings, art, or historical objects.

    the professional activity of preserving and restoring cultural heritage, including works of art, architecture, and archaeological finds.

    Simple

    The museum's conservation department spent months cleaning the ancient painting.

    In context

    The conservation of the medieval cathedral involved both structural reinforcement and the delicate cleaning of original stained-glass windows.

  4. 04 C1 Advanced AcademicTechnical Science

    the fact that the total amount of something, like energy, stays the same even when it changes form.

    the principle that a total value of a physical magnitude remains constant in a system which is isolated from its surroundings.

    Simple

    According to the law of conservation of energy, energy cannot be created or destroyed.

    In context

    Students must demonstrate a firm grasp of the conservation of momentum before moving on to more complex orbital mechanics.

    constancycontinuity

Usage conservation efforts · conservation work

These issues will be high on the agenda when researchers from across the region meet in Abuja later this year to review the West African Vulture Conservation Action Plan, which was drafted in 2022.

BBC News· 12 Aug 2026

As a conservation charity we are really careful about our resources and where they go," Biddle added.

BBC News· 13 Aug 2026

From Old French. By surface analysis, conserve + -ation.

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

This entry
Origin Old French -
Level B2 · Upper Intermediate
Frequency Common
Updated