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Related to trinal: ostiate, articulite


Having three parts; threefold.

[Late Latin trīnālis, from Latin trīnus, trine; see trine.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


(ˈtraɪn l)

threefold; triple; trine.
[1555–65; < Late Latin trīnālis]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
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Through global health engagements based on standardized HLOEs and doc trinal FAs, the Department of Defense reassures allies and key regional partners of American commitment, prepares regional partners to assume multinational leadership roles, opens lines of communication with new partners, and sustains access to countries with limited capacity to contribute toward regional and international security.
Khaleej Times met author and graphologist Usha Mullan who studies personalities through a trinal approach: graphology, the Enneagram and drawings.
The received power rate of each path (direct path, single reflected path, double reflected path, and trinal reflected path) is shown in Table 1.