:the bottom support of anything; that on which a thing stands or rests: a metal base for the table.
:a fundamental principle or groundwork; foundation; basis: the base of needed reforms.
:the bottom layer or coating, as of makeup or paint.
:Architecture. the distinctively treated portion of a column or pier below the shaft or shafts.the distinctively treated lowermost portion of any construction, as a monument, exterior wall, etc.
:Botany, Zoology. the part of an organ nearest its point of attachment.the point of attachment.
:the principal element or ingredient of anything, considered as its fundamental part: face cream with a lanolin base; paint with a lead base.
:that from which a commencement, as of action or reckoning, is made; a starting point or point of departure.
:the main supporters or fans of a political candidate, celebrity, company, etc.: Her proposed policies are calculated to appeal to her base.
:Baseball. any of the four corners of the diamond, especially first, second, or third base.Compare home plate. a square canvas sack containing sawdust or some other light material, for marking first, second, or third base.
:a starting line or point for runners, racing cars, etc.
It’s a few minutes’ walk from the Willow Tail Lot—where RVs are allowed to park for up to three nights—to the base lodge at Whitefish Mountain Resort, in Montana.
The San Francisco-based company in its filing Wednesday listed the size of the offering as $100 million, a placeholder that will likely change.
It’s what famously made life difficult for gamemaker Zynga, which early on made much of its games based on Facebook’s network.
By now, the virtues of subscription-based businesses are well known.
Both the Moderna and the Pfizer-BioNTech vaccines are based on messenger RNA, a new type of vaccine technology that is able to be deployed very quickly.
I tell you, charges ought to be preferred against those four men who so basely deserted you.
And now he was gone, now he had basely fled; and to all his perplexities and dangers John stood heir.
Thence to Mr. Holliard, who tells me that Mullins is dead of his leg cut off the other day, but most basely done.
In spite of him, the Athenians now basely desert the Thebans, leaving them to stand the entire fury of the war alone.
She felt as keenly as ever that George was being basely betrayed, but she saw no way to protect him.
:Military. a fortified or more or less protected area or place from which the operations of an army or an air force proceed.a supply installation for a large military force.
:Geometry. the line or surface forming the part of a figure that is most nearly horizontal or on which it is supposed to stand.
:Mathematics. the number that serves as a starting point for a logarithmic or other numerical system.a collection of subsets of a topological space having the property that every open set in the given topology can be written as the union of sets of the collection.a collection of neighborhoods of a point such that every neighborhood of the point contains one from the collection.a collection of sets of a given filter such that every set in the filter is contained in some set in the collection.
:Also called base line. Surveying. See under triangulation.
:Painting. vehicle. Also called carrier .inert matter, used in the preparation of lakes, onto which a coloring compound is precipitated.
:Photography. a thin, flexible layer of cellulose triacetate or similar material that holds the light-sensitive film emulsion and other coatings, especially on motion-picture film.
:Chemistry. a compound that reacts with an acid to form a salt, as ammonia, calcium hydroxide, or certain nitrogen-containing organic compounds.the hydroxide of a metal or of an electropositive element or group.a group or molecule that takes up or accepts protons.a molecule or ion containing an atom with a free pair of electrons that can be donated to an acid; an electron-pair donor.any of the purine and pyrimidine compounds found in nucleic acids: the purines adenine and guanine and the pyrimidines cytosine, thymine, and uracil.
:Grammar. the part of a complex word, consisting of one or more morphemes, to which derivational or inflectional affixes may be added, as want in unwanted or biolog- in biological.Compare root, stem.
:Linguistics. the component of a generative grammar containing the lexicon and phrase-structure rules that generate the deep structure of sentences.
:Electronics. an electrode or terminal on a transistor other than the emitter or collector electrodes or terminals.the part of an incandescent lamp or electron tube that includes the terminals for making electrical connection to a circuit or power supply.
:Stock Exchange. the level at which a security ceases a decline in price.
:Heraldry. the lower part of an escutcheon.
:bases, Armor. a tonlet formed of two shaped steel plates assembled side by side.
:Jewelry. pavilion.
:in base, Heraldry. in the lower part of an escutcheon.
adj.形容词 adjective
1
:serving as or forming a base: The walls will need a base coat and two finishing coats.
v.有主动词 verb
1
based, bas·ing.
:to make or form a base or foundation for.
:to establish, as a fact or conclusion: He based his assumption of her guilt on the fact that she had no alibi.
:to place or establish on a base or basis; ground; found: Our plan is based on a rising economy.
:to station, place, or situate: He is based at Fort Benning. The squadron is based on a carrier.
v.无主动词 verb
1
based, bas·ing.
:to have a basis; be based: Fluctuating prices usually base on a fickle public's demand.
:to have or maintain a base: I believe they had based on Greenland at one time.