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4 definitions found
 for antacid
From The Collaborative International Dictionary of English v.0.48 :

  antacid \ant*ac"id\ ([a^]nt*[a^]s"[i^]d), antiacid
  \an*ti*ac"id\([a^]n*t[-e]*[a^]s"[i^]d), n. [Pref. anti- + acid.]
     A remedy for neutralizing acidity, especially of the stomach,
     as an alkali or absorbent. -- a. Counteractive of acidity.
     [1913 Webster + AS]

From The Collaborative International Dictionary of English v.0.48 :

  Buffer \Buff"er\ (b[u^]f"[~e]r), n. [Prop a striker. See
     Buffet a blow.]
     1. (Mech.)
        (a) An elastic apparatus or fender, for deadening the jar
            caused by the collision of bodies; as, a buffer at the
            end of a railroad car.
        (b) A pad or cushion forming the end of a fender, which
            receives the blow; -- sometimes called buffing
            [1913 Webster]
     2. One who polishes with a buff.
        [1913 Webster]
     3. A wheel for buffing; a buff.
        [1913 Webster]
     4. A good-humored, slow-witted fellow; -- usually said of an
        elderly man. [Colloq.] --Dickens.
        [1913 Webster]
     5. (Chem.) a substance or mixture of substances which can
        absorb or neutralize a certain quantity of acid or base
        and thus keep the degree of acidity or alkalinity of a
        solution (as measured by pH) relatively stable. Sometimes
        the term is used in a medical context to mean antacid.
     6. (Computers) a data storage device or portion of memory
        used to temporarily store input or output data until the
        receiving device is ready to process it.
     7. any object or person that shields another object or person
        from harm, shock, or annoyance; as, the President's staff
        is his buffer from constant interruptions of his work.

From WordNet (r) 3.0 (2006) :

      adj 1: acting to neutralize acid (especially in the stomach)
      n 1: an agent that counteracts or neutralizes acidity
           (especially in the stomach) [syn: antacid, gastric
           antacid, alkalizer, alkaliser, antiacid]

From Moby Thesaurus II by Grady Ward, 1.0 :

  78 Moby Thesaurus words for "antacid":
     acid, acidity, agent, alexipharmic, alkali, alkalinity, alkalizer,
     alloisomer, anion, annulling, anthelmintic, antibiotic, antidotal,
     antidote, antimicrobial, antipyretic, antitoxic, atom,
     bacteriostatic, base, bicarbonate of soda, biochemical, buffer,
     buffering, calcium carbonate, canceling, cation, chemical,
     chemical element, chromoisomer, compound, copolymer, counteractant,
     counteractive, counteragent, counterbalancing, counterirritant,
     dimer, element, febrifugal, gastric antacid, heavy chemicals,
     high polymer, homopolymer, hydracid, inorganic chemical, ion,
     isomer, macromolecule, magnesia, metamer, molecule, monomer,
     negating, neutralizer, neutralizing, nonacid, nullifier,
     nullifying, offset, offsetting, organic chemical, oxyacid, polymer,
     preventative, preventive, prophylactic, pseudoisomer, radical,
     reagent, remedy, seltzer, sodium bicarbonate, stultifying,
     sulfacid, trimer, vitiating, voiding

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