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- DictionaryBase/bās/
noun
- 1. the lowest part or edge of something, especially the part on which it rests or is supported: "she sat down at the base of a tree"
- 2. a conceptual structure or entity on which something draws or depends: "the town's economic base collapsed"
verb
- 1. have as the foundation for (something); use as a point from which (something) can develop: "the film is based on a novel by Pat Conroy"
- 2. situate as the center of operations: "a London-based band"
An Arrhenius base is defined as any species that increases the concentration of hydroxide ions, OH − , in aqueous solution. An example of an Arrhenius base is the highly soluble sodium hydroxide, NaOH . Sodium hydroxide dissociates in water as follows:
2 days ago · Noun [ edit] base ( plural bases ) A foundation or base; the bottom of a building. The foundation, base, or bottom of a column, statue, or vase. ( rare) Padding inserted below a horse's bridle. ( rare) A hand's palm; the section of a hand below the fingers. ( rare) The bottom portion of a dress.
the main place where a person lives or works, or from where he or she does things: The hotel is an excellent base for exploring the city. a place where people in the armed forces live and work: an American Air Force base. base. verb. us / beɪs/ present participle basing | past tense and past participle based. be based at/in.
base1 /beɪs/ n., adj., v., based, bas•ing. n. [ countable] the part on which something stands: The base of the lamp was made of marble. a fundamental principle; basis: data to be used as a base for further research. the principal element in a mixture: A soup with a base of chicken broth. a starting point from which something is begun.
Nov 13, 2019 · Its chemical formula is NH 3. You can find it in many window-cleaning products. Not to confuse you, but . . . Scientists sometimes use another scheme — the Lewis system — to define acids and bases. Instead of protons, this Lewis definition describes what molecules do with their electrons.
base 1590. Low in height, short. Having little upward (or, in quot. 1393, perhaps outward) extent. Now rare and literary. dwarfish 1624–. Of a thing: smaller than is usual or expected; (in early use) esp. of less than typical height; low, short, squat. lowly 1695.
base, in mathematics, an arbitrarily chosen whole number greater than 1 in terms of which any number can be expressed as a sum of that base raised to various powers. The decimal number system that is commonly used expresses all numbers in base 10. For example, 354.76 = (3 × 10 2) + (5 × 10 1) + (4 × 10 0) + (7 × 10 –1) + (6 × 10 –2 ).
