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v. for·ti·fied, for·ti·fy·ing, for·ti·fies
To make strong, as:
a. To strengthen and secure (a position) with fortifications.
b. To reinforce by adding material.
c. To impart physical strength or endurance to; invigorate.
d. To give emotional, moral, or mental strength to; encourage: Prayer fortified us during our crisis.
e. To strengthen or enrich (food, for example), as by adding vitamins.
To build fortifications.

[Middle English fortifien, from Old French fortifier, from Late Latin fortificāre : Latin fortis, strong; see bhergh- in Indo-European roots + Latin -ficāre, -fy.]

for′ti·fi′a·ble adj.
for′ti·fi′er n.
for′ti·fy′ing·ly adv.
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.
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Coverage of fortifiable salt was relatively high as 84% of household in Balochistan, 75% in Punjab and 98% in Sindh.
Among households that reported consuming a fortifiable form of wheat flour, produced by Chakki mills accounted for 32% of the fortifiable flour consumed in Balochistan, 53% in Punjab and 60% in Sindh.
Consumption of selected fortifiable food products by respondent's income level, folic acid knowledge, attitudes, and practices among postpartum women study, Honduras, 2001 Income Income level 1.00 (a) level 2.00 (b) (n = 460) (n = 1780) Food consumed No.