degree of acidity or alkalinity

См. также в других словарях:

• alkalinity — noun The state of being, or the degree to which a thing is, alkaline. Ant: acidity …   Wiktionary

• gardening — /gahrd ning/, n. 1. the act of cultivating or tending a garden. 2. the work or art of a gardener. [1570 80; GARDEN + ING1] * * * Laying out and tending of a garden. Though palatial gardens existed in ancient times, small home gardens became… …   Universalium

• pH — [pē΄āch′] n. [< Fr p(ouvoir) h(ydrogène), lit., hydrogen power] the degree of acidity or alkalinity of a solution; it is the logarithm of the reciprocal of the hydrogen ion concentration in gram equivalents per liter of solution (Ex.0000001… …   English World dictionary

• renal system disease — Introduction  any of the diseases or disorders that affect the human excretory system. They include benign and malignant tumours, infections and inflammations, and obstruction by calculi.       Diseases can have an impact on the elimination of… …   Universalium

• antacid — 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… …   The Collaborative International Dictionary of English

• 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… …   The Collaborative International Dictionary of English

• buffing apparatus — 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… …   The Collaborative International Dictionary of English

• pH meter —    An instrument used to measure the degree of acidity or alkalinity of a solution. pH 7 (neutral), pH < 7 (acidic), pH > 7 (alkaline) …   Forensic science glossary

• neutralization number — noun also neutralization value : a number indicating the degree of acidity or alkalinity of a substance determined by finding the amount of alkali or acid required for neutralization; specifically : the weight in milligrams of potassium hydroxide …   Useful english dictionary

• al|ka|lin|i|ty — «AL kuh LIHN uh tee», noun. alkaline quality or condition: »She built instruments to measure the degree of acidity or alkalinity shown by the color of the juices she extracted from the plants (Science News Letter) …   Useful english dictionary

• acid–base reaction — ▪ chemistry Introduction       a type of chemical process typified by the exchange of one or more hydrogen ions, H+, between species that may be neutral (molecules, such as water, H2O; or acetic acid, CH3CO2H) or electrically charged (ions, such… …   Universalium