acidic
UK /əˈsɪ.dɪk/ US /əˈsɪ.dɪk/
adj 3
Definitions
adj
1
Of or relating to acid; having the character of an acid.
an acidic solution
2
Having a pH less than 7, or being sour, or having the strength to neutralize alkalis, or turning a litmus paper red.
The swampland is an extensive pegasse swamp, which is rich in organic matter and intensely acidic.
3
Containing a high percentage of silica-bearing minerals.
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