Third person singular present tense of conserve; protects or preserves something, or uses it carefully to avoid waste.
From Latin conservare 'to keep safe' (con- + servare 'to keep'). The verb form has been used in English since the 14th century with meanings ranging from personal protection to resource management.
Plants like gardens 'conserve' water by closing pores during dry seasons—nature invented water conservation millions of years before humans needed to!
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