different between proprietary vs wheyn

English

From French propriétaire, from Latin proprietarius. Compare with the Latin proprietas (“property”) and proprius (“ownership”).

proprietary (comparative more proprietary, superlative most proprietary)

Of or relating to property or ownership.
Owning something; having ownership.
Created or manufactured exclusively by the owner of intellectual property rights, as with a patent or trade secret.
Nonstandard and controlled by one particular organization.
Privately owned.
(of a person) Possessive, jealous, or territorial.

proprietary (plural proprietaries)

A proprietor or owner.
- 1647, Thomas Fuller, The Cause and Cure of a Wounded Conscience
  Wherefore what issue soever shall result from my mind , by his means most happily married to a retired life , must , of due , redound to his honour , as the sole proprietary of my pains during my present condition
A body of proprietors, taken collectively.
The rights of a proprietor.
A monk who had reserved goods and belongings to himself, notwithstanding his renunciation of all at the time of profession.
(espionage) A company doing legitimate business while also serving as a front for espionage.
- 1975, Victor Marchetti, ?John D. Marks, The CIA and the Cult of Intelligence (page 159)
  For all practical purposes, the proprietaries conduct their own financial affairs with a minimum of oversight from CIA headquarters.
- 2013, Joseph Goulden, The Dictionary of Espionage: Spyspeak into English (page 175)
  The “operating proprietaries” actually do business as private firms. They are incorporated where they are officed, they file the applicable state and federal tax returns, and they obtain the licenses necessary to a legitimate business operation.

wheyn (uncountable)

(obsolete, medicine) A proprietary drink for nutrition and stimulation prepared from sterilized whey.

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