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tr.v. en·vel·oped, en·vel·op·ing, en·vel·ops
1. To wrap, enclose, or cover: "Accompanying the darkness, a stillness envelops the city" (Curtis Wilkie).
2. To surround: The troops enveloped the town.

[Middle English envolupen, to be involved in, from Old French envoluper, envoloper : en-, in; see en-1 + voloper, to wrap up; perhaps akin to Medieval Latin faluppa, chaff, straw (influenced by Latin volvere, to roll).]

en·vel′op·er n.
en·vel′op·ment n.


a person or thing that envelops
References in periodicals archive ?
announces the sale of the first W+D 410 Easy Enveloper in the Northeast to DS Graphics of Lowell, MA.
The second step in the process is to pass the filtered output through an enveloper, which rectifies (or demodulates) the waveform, by inverting the negative part to positive, and extracts the repetition rate of the energy bursts.
Initial predation and parasitism by muricid whelks demonstrated by the correspondence between drilled holes and their apparent enveloper.
She first found success when she invented the Enveloper, a made-tomeasure envelope making tool, and sales from Crafter's Companion reached PS15m last year, PS11m of that in Britain.