dibasic
Americanadjective
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containing two replaceable or ionizable hydrogen atoms.
dibasic acid.
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having two univalent, basic atoms, as dibasic sodium phosphate, Na 2 HPO 4 .
adjective
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(of an acid, such as sulphuric acid, H 2 SO 4 ) containing two acidic hydrogen atoms Compare diacidic
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(of a salt) derived by replacing two acidic hydrogen atoms
dibasic sodium phosphate, Na2HPO4
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Relating to an acid that contains two hydrogen atoms that can be replaced by metal ions. Sulfuric acid (H 2 SO 4) is a dibasic acid. The hydrogens can be replaced by sodium and hydrogen to form sodium hydrogen sulfate (NaHSO 4) or by two sodium atoms to form sodium sulfate (Na 2 SO 4).
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Relating to a compound that contains two basic monovalent groups or atoms.
Other Word Forms
Etymology
Origin of dibasic
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Less-toxic paint strippers have been on the market for years—California authorities recommend ones with benzyl alcohol, soy, or dibasic esters—but they represent the minority of products.
From Slate ● Sep. 21, 2015
Nylon is technically described as "synthetic fibre-forming polymeric amides having a protein-like structure, produced by reacting diamines and dibasic carboxylic acids."
From Time Magazine Archive
Researchers at the University of Illinois and at Manhattan's Sydenham Hospital, testing the use of urea and dibasic ammonium phosphate to kill bacteria associated with tooth decay, had reported promising results.
From Time Magazine Archive
Acids yielding two hydrogen ions in solution are called dibasic acids.
From An Elementary Study of Chemistry by William McPherson
An acid is said to be monobasic, dibasic, tribasic, &c., according to the number of replaceable hydrogen atoms; thus HNO3 is monobasic, sulphuric acid H2SO4 dibasic, phosphoric acid H3PO4 tribasic.
From Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 1 "Châtelet" to "Chicago" by Various
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
