#16

plenipotentiary \plen-uh-puh-TEN-shee-air-ee; -shuh-ree\, adjective:
1. Containing or conferring full power; invested with full power; as, "plenipotentiary license; plenipotentiary ministers."

noun:
1. A person invested with full power to transact any business; especially, an ambassador or diplomatic agent with full power to negotiate a treaty or to transact other business.

There were two accounts, one in a news article, the second in the editorial section, telling the minihistory of Pol Pot, sometime plenipotentiary ruler of Cambodia.
-- William F. Buckley Jr., The Redhunter

At that time, Egypt was our protectorate, which meant the High Commissioner was the plenipotentiary of George V and carried independent authority.
-- David Freeman, One of Us


Plenipotentiary derives from Latin plenus, "full" + potens, "powerful."



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#15

en·ve·lope [en-vuh-lohp, ahn-] Pronunciation Key - Show IPA Pronunciation
–noun
1.
a flat paper container, as for a letter or thin package, usually having a gummed flap or other means of closure.
2.
something that envelops; a wrapper, integument, or surrounding cover.
3.
Biology. a surrounding or enclosing structure, as a corolla or an outer membrane.
4.
Geometry. a curve or surface tangent to each member of a set of curves or surfaces.
5.
Radio. (of a modulated carrier wave) a curve connecting the peaks of a graph of the instantaneous value of the electric or magnetic component of the carrier wave as a function of time.
6.
the fabric structure enclosing the gasbag of an aerostat.
7.
the gasbag itself.
8.
Electronics. the airtight glass or metal housing of a vacuum tube.
9.
the technical limits within which an aircraft or electronic system may be safely operated.
—Idiom
10.
push the envelope, to stretch established limits, as in technological advance or social innovation.
Also, envelop.



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