pH
Acid-base scale
pH measures acidity or alkalinity on a scale from 0 to 14, with 7 being neutral.
Lower numbers indicate acid, higher numbers indicate base: Lemon juice has a pH around 2.
Test the pool's pH.
The term comes from "potential of hydrogen." Note the lowercase p and capital H.
Acid-base indicator dye
- indicatorSign revealing status
- meterDevice that measures usage
- electrodeConductive interface point
- probeThorough examination or tool
calibration · colorimetric · scale · logarithmic · concentration · titration · buffer solution · sensor
Sharp, biting taste
- vinegarAcidic cooking liquid
- citrusAcidic fruits with segments
- lemonAcidic yellow citrus
- tartSharp-flavored small pie
corrosive · gastric · stomach · battery acid · acid rain · fermentation · acidosis · erosion
Biological internal stability maintenance
- digestionBodily food breakdown
- skin barrierProtective outer layer
- urineRenal excretion fluid
- salivaMouth's digestive secretion
cellular · metabolic · respiratory · acidosis · alkalosis · buffering · regulation · gut flora
Fundamental in nature
- causticChemically burning; bitterly mocking
- soapyCovered with suds
- bitterSharp, unpleasant taste
- slipperyLacking friction, hard-to-grasp
bleach · ammonia · lye · antacid · alkalosis · hard water · chalky · mineral
Official rules governing conduct
- stabilityResistance to displacement
- maintenancePreserving working condition
- adjustmentAlteration to improve fit
- correctionFixing of mistakes
stabilization · control · aquarium · water quality · skincare
In a state of equilibrium
- pure waterUncontaminated H₂O
- distilledPurified by vaporization
- midpointExact center between two
- stableSecure and unchanging
unreactive · saline · tears · blood · milk · saliva · physiological · isotonic
litmus
Acid-base indicator dye
probe · calibration · colorimetric · scale · logarithmic · concentration · titration · buffer solution · sensor · digital
sour
Sharp, biting taste
tart · corrosive · gastric · stomach · battery acid · acid rain · fermentation · acidosis · erosion · sting
homeostasis
Biological internal stability maintenance
- digestionBodily food breakdown
- skin barrierProtective outer layer
- urineRenal excretion fluid
saliva · cellular · metabolic · respiratory · acidosis · alkalosis · buffering · regulation · gut flora · fermentation
basic
Fundamental in nature
slippery · bleach · ammonia · lye · antacid · alkalosis · hard water · chalky · mineral · detergent
regulation
Official rules governing conduct
- stabilityResistance to displacement
- maintenancePreserving working condition
- adjustmentAlteration to improve fit
correction · stabilization · control · aquarium · water quality · skincare
balanced
In a state of equilibrium
- pure waterUncontaminated H₂O
- distilledPurified by vaporization
- midpointExact center between two
stable · unreactive · saline · tears · blood · milk · saliva · physiological · isotonic · buffered
- abbreviationsMr, Mrs, Ms, Dr, Jr
- Acidic Soilsoil test, soil testing, peat, sphagnum, peat moss
- Chemical Propertiesacidity, alkalinity, solubility, reactivity, viscosity
- Solution Chemistryelectrolytes, ions, acids, bases, salts
- physical chemistrythermodynamics, kinetics, chemical equilibrium, reaction rates, activation energy
- Blood Gasesoxygen saturation, SpO2, bicarbonate, oxygen level, partial pressure
Acid-neutralizing capacity
Measured heat intensity
molarity · conductivity · salinity · concentration · viscosity
- pH scaleAcidity measurement range
- pH levelMeasure of acidity
- pH balanceAcid-base measurement ratio
- Ph. D.Highest university degree
- pH stripIndicator of acidity
- pH testingMeasuring acidity levels