sustainment
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sus·tain
(sə-stān′)tr.v. sus·tained, sus·tain·ing, sus·tains
1.
a. To keep in existence; maintain, continue, or prolong: sustain an effort.
b. To keep up (a joke or assumed role, for example) competently.
2.
a. To supply with necessities or nourishment; provide for: the income needed to sustain a family.
b. To support the spirits, vitality, or resolution of; encourage: We were sustained by her unflagging optimism.
3. To support from below; keep from falling or sinking; prop: The beams sustain the weight of the roof.
4.
a. To bear up under; withstand: can't sustain the blistering heat.
b. To experience or suffer: sustained minor injuries.
5. To affirm the validity of: The judge has sustained the prosecutor's objection.
n.
A capacity of a musical instrument to continue the resounding of a note or tone.
[Middle English sustenen, from Old French sustenir, from Latin sustinēre : sub-, from below; see sub- + tenēre, to hold; see ten- in Indo-European roots.]
sus·tain′er n.
sus·tain′ment n.
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.
sustainment
The provision of personnel, logistic, and other support required to maintain and prolong operations or combat until successful accomplishment or revision of the mission or of the national objective.
Dictionary of Military and Associated Terms. US Department of Defense 2005.
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| Noun | 1. |  sustainment - the act of sustaining life by food or providing a means of subsistence; "they were in want of sustenance"; "fishing was their main sustainment"support - the activity of providing for or maintaining by supplying with money or necessities; "his support kept the family together"; "they gave him emotional support during difficult times" |
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