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1. A salt, ester, or anion of phosphoric acid, derived by removal or replacement of one, two, or especially all three of the hydrogens of phosphoric acid.
2. A fertilizer containing phosphorus compounds.
3. A soda fountain drink made by blending carbonated water with flavored syrup.

phos·phat′ic (fŏs-făt′ĭk) adj.
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.
References in classic literature ?
The presence of phosphatic nodules and bituminous matter in some of the lowest azoic rocks, probably indicates the former existence of life at these periods.
"Improving rainfall, brimming dams, favourable raw material prices coupled with recent government initiatives such as increased budgetary allocation for phosphatic and potassic subsidies and desire for Direct Benefit Transfer (DBT 2.0) of fertiliser subsidy are expected to provide the much-needed impetus to the sector," he added.
CAIRO -- 7 August 2019: President Abdel Fatah al-Sisi is inaugurating on Wednesday the Phosphatic and Compound Fertilizers Complex in Ain Sokhna town in the Suez Governorate.
President Abdel Fatah Al-Sisi inaugurated on Wednesday the new Phosphatic and Compound Fertilizers Complex in Ain Sokhna in the governorate of Suez.
It is a leading manufacturer of urea and phosphatic fertilisers and, through its subsidiary, Rallis, has a strong position in the crop protection business.
Agrochemicals Market Research Report by Type [Fertilizers (Potassic, Nitrogenous, Phosphatic), Pesticides (Fungicides, Insecticides, Herbicides, Bio-Pesticides)], Crop Type (Food Grains, Cash Crops, Horticulture Crops) and Region - Forecast till 2024
According to industry figures, about 24.2 million tonnes (mt) of urea and 25 mt of other fertilisers (phosphatic and potassium) were transported in the country in 2017-18.
The council demanded that additional sales tax on import of DAP and other fertiliser by manufacturers should be abolished to improve availability and affordability of phosphatic fertiliser in the country.
FMPAC said additional sales tax on the import of DAP and other fertilisers should be abolished in order to improve the availability of phosphatic fertiliser in the country.