base

base[ beis ]

• n.
  • 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"

    同义词：alkali

  • installation from which a military force initiates operations

    "the attack wiped out our forward bases"

    同义词：base of operations

  • lowest support of a structure

    "it was built on a base of solid rock"

    同义词：foundationfundamentfootgroundworksubstructureunderstructure

  • place that runner must touch before scoring

    同义词：bag

  • (numeration system) the positive integer that is equivalent to one in the next higher counting place

    同义词：radix

  • the bottom or lowest part

    "the base of the mountain"

  • (anatomy) the part of an organ nearest its point of attachment

    "the base of the skull"

  • a lower limit

    同义词：floor

  • the fundamental assumptions from which something is begun or developed or calculated or explained

    同义词：basisfoundationfundamentgroundworkcornerstone

  • a support or foundation

    "the base of the lamp"

    同义词：pedestalstand

  • the bottom side of a geometric figure from which the altitude can be constructed

    "the base of the triangle"

  • the most important or necessary part of something

    同义词：basis

  • the place where you are stationed and from which missions start and end

    同义词：home

  • 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

    同义词：al-QaedaQaedaal-Qa'idaal-Qaida

  • (linguistics) the form of a word after all affixes are removed

    同义词：rootroot wordstemthemeradical

  • the stock of basic facilities and capital equipment needed for the functioning of a country or area

    "the industrial base of Japan"

    同义词：infrastructure

  • 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"

  • a flat bottom on which something is intended to sit

    "a tub should sit on its own base"

  • (electronics) the part of a transistor that separates the emitter from the collector
• v.
  • use as a basis for; found on

    "base a claim on some observation"

    同义词：establishgroundfound

  • use (purified cocaine) by burning it and inhaling the fumes

    同义词：free-base

  • assign to a station

    同义词：stationpostsendplace

• adj.
  • serving as or forming a base

    "the painter applied a base coat followed by two finishing coats"

    同义词：basal

  • (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"

    同义词：basebornhumblelowly

  • not adhering to ethical or moral principles

    "base and unpatriotic motives"; "a base, degrading way of life"

    同义词：dishonorabledishonourableimmoralunethical

  • having or showing an ignoble lack of honor or morality

    "that liberal obedience without which your army would be a base rabble"

    同义词：meanmeanspirited

  • illegitimate

    同义词：baseborn

  • debased; not genuine

    "an attempt to eliminate the base coinage"