Third-person singular present tense of 'advect': to transport or carry (heat, moisture, or other properties) by means of fluid flow.
Derived from Latin 'advehere' (to carry toward). The verb form 'advect' is primarily used in scientific contexts, particularly in meteorology and oceanography since the 1950s.
When a weather model says 'warm air advects northward,' scientists are basically saying heat is being physically transported by wind currents across distances—it's the verb form that makes the motion active and measurable.
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