Answer:

acid

AnswerCrossword Clue
ACIDBitter
ACIDCitric ....
ACIDCorrosive liquid
ACIDEtcher's need
ACIDEtching fluid
ACIDEtching solution
ACIDTangy
ACIDAmino, boric, or citric
ACIDLitmus reddener
ACIDNitric or sulfuric
ACIDKind of test
ACIDTest type
ACIDWord with rock or rain
ACIDKind of rain
ACIDSubject of some 1960s CIA research
ACIDYou might drop it
ACIDOne on the low end of a 1-14 scale
ACIDIndigestion cause
ACIDVitriolic
ACIDBase's opposite
ACIDElement of A.G. Bell's serendipity
ACIDBiting sarcasm
ACIDEtching agent
ACIDType of jazz
ACIDBell spilled it
ACIDSarcastic
ACIDSort of rock or jazz
ACIDLow-pH chemical
ACIDAlkali neutralizer
ACIDBase's antithesis
ACIDTummy trouble
ACIDPepto-Bismol target
ACIDDNA's A
ACIDWith wit that bites
ACIDLow-pH
ACIDVinegar, for one
ACIDTart
ACIDLSD
ACIDVitamin C, e.g.
ACIDBase neutralizer