-
Adrenaline
-
Ribonucleotide
-
Bigelow Aerospace
-
ONCFS
-
Large Magellanic cloud
-
Diverticulum
-
Iridescence
-
Fossils
-
IMAP
-
Pear
-
Plague
-
Roadkill
-
Permanent virtual circuit
-
Weatherboarding
-
Basilar
-
Peridural
-
Sedge
-
Dyspraxia
-
Aperture synthesis
-
Simplex
-
Shenzhou
-
M95
-
Basal ganglia
-
Old karst
-
Relative permeability
-
Addiction
-
Albuginea
-
Jason
-
Precession-nutation
-
Closed hearth
pH
Hydrogen potential. pH is an index measuring the hydrogen ion activity in a solution. It is an indicator of the acidity (pH lower than 7) or alkalinity (pH higher than 7) of a solution.
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