Base
/beis/
Học thuậtThân thiện
Definition
Noun:
- A foundation or bottom part: The lowest part or supporting structure of something.
- A main or central part: The principal element or ingredient in a mixture.
- A center of operations: A place used as a headquarters or starting point for activities, especially military.
- A chemical substance: A compound that reacts with an acid to form a salt.
- A concept in mathematics: The number on which a counting system is constructed.
Verb:
- To establish or found: To use something as the foundation, support, or starting point for something else.
- To station or locate centrally: To have the main center of operations in a particular place.
Adjective:
- Morally low; dishonorable: Lacking in moral principles; mean-spirited.
- Of inferior quality: Not valuable or genuine; common or alloyed with cheaper material.
Usage Examples
Noun:
- The lamp has a heavy marble base. (The bottom support of the lamp is made of marble.)
- The soup has a tomato base. (The main ingredient of the soup is tomato.)
- The army returned to its base. (The army went back to its central headquarters.)
- Sodium hydroxide is a strong base. (Sodium hydroxide is a type of chemical compound.)
- The decimal system uses ten as its base. (The number ten is the foundation of the decimal counting system.)
Verb:
- She will base her novel on historical events. (She will use historical events as the foundation for her novel.)
- The company bases its operations in Singapore. (The company has its main center of operations in Singapore.)
Adjective:
- His actions were motivated by base greed. (His actions were driven by dishonorable greed.)
- The statue is made of a base metal like iron, not gold. (The statue is made from a common, non-precious metal.)
Advanced Usage
- "To touch base": To make contact or communicate briefly with someone.
- I need to touch base with the marketing team about the project.
- "Off base": Incorrect or misguided.
- Your assumptions about the problem are completely off base.
- "Cover all the bases": To prepare for every possible situation or contingency.
- We need a thorough plan to cover all the bases.
Variants and Related Words
- Baseless (adj): Without foundation in fact.
- The accusations were completely baseless.
- Baseline (n): A starting point used for comparisons.
- We measured the results against a baseline.
- Basic (adj): Forming the essential foundation.
- She has a basic understanding of the rules.
- Basis (n): The underlying support or foundation for an idea or process.
- Trust forms the basis of a good relationship.
Synonyms
- Noun (Foundation): Foundation, bottom, foot, groundwork.
- Noun (Center): Headquarters, center, station, post.
- Verb: Found, ground, establish, build.
- Adjective: Ignoble, mean, low, vile, dishonorable.
Related Phrasal Verbs
- Base on/upon: To use as a foundation or source.
- This theory is based on years of research.
- Base out of: To operate from a particular location.
- The rescue team is based out of the city's main hospital.
Related Idioms
- "Get to first base": To achieve the first step toward a goal.
- We couldn't even get to first base with the investors.
- "On base": In baseball, occupying one of the bases; more generally, in a position to make progress.
- With two runners on base, the pressure was on the pitcher.
Adjective
- debased; not genuine
- an attempt to eliminate the base coinage
- illegitimate
- having or showing an ignoble lack of honor or morality
- that liberal obedience without which your army would be a base rabble- Edmund Burke
- taking a mean advantage
- chok'd with ambition of the meaner sort- Shakespeare
- something essentially vulgar and meanspirited in politics
- not adhering to ethical or moral principles
- base and unpatriotic motives
- a base, degrading way of life
- cheating is dishonorable
- they considered colonialism immoral
- unethical practices in handling public funds
- (used of metals) consisting of or alloyed with inferior metal
- base coins of aluminum
- a base metal
- of low birth or station (`base' is archaic in this sense)
- baseborn wretches with dirty faces
- of humble (or lowly) birth
- serving as or forming a base
- the painter applied a base coat followed by two finishing coats
Noun
- (electronics) the part of a transistor that separates the emitter from the collector
- a flat bottom on which something is intended to sit
- a tub should sit on its own base
- the principal ingredient of a mixture
- glycerinated gelatin is used as a base for many ointments
- he told the painter that he wanted a yellow base with just a hint of green
- everything she cooked seemed to have rice as the base
- the stock of basic facilities and capital equipment needed for the functioning of a country or area
- the industrial base of Japan
- (linguistics) the form of a word after all affixes are removed
- thematic vowels are part of the stem
- a terrorist network intensely opposed to the United States that dispenses money and logistical support and training to a wide variety of radical Islamic terrorist groups; has cells in more than 50 countries
- the place where you are stationed and from which missions start and end
- (numeration system) the positive integer that is equivalent to one in the next higher counting place
- 10 is the radix of the decimal system
- the most important or necessary part of something
- the basis of this drink is orange juice
- the bottom side of a geometric figure from which the altitude can be constructed
- the base of the triangle
- any of various water-soluble compounds capable of turning litmus blue and reacting with an acid to form a salt and water
- bases include oxides and hydroxides of metals and ammonia
- a phosphoric ester of a nucleoside; the basic structural unit of nucleic acids (DNA or RNA)
- a support or foundation
- the base of the lamp
- the fundamental assumptions from which something is begun or developed or calculated or explained
- the whole argument rested on a basis of conjecture
- a lower limit
- the government established a wage floor
- (anatomy) the part of an organ nearest its point of attachment
- the base of the skull
- the bottom or lowest part
- the base of the mountain
- a place that the runner must touch before scoring
- he scrambled to get back to the bag
- lowest support of a structure
- it was built on a base of solid rock
- he stood at the foot of the tower
- installation from which a military force initiates operations
- the attack wiped out our forward bases
Verb
- use (purified cocaine) by burning it and inhaling the fumes
- situate as a center of operations
- we will base this project in the new lab
- use as a basis for; found on
- base a claim on some observation