基础；基地；根据；基数（如十进制的10 和二进制的2）
vt.基于；把…建立在；把…放在或设在（基地）；把…置于底座（或基座）上
adj.卑鄙的；低级的；贱的，劣的；庶生的
复数：bases过去式：based过去分词：based现在分词：basing第三人称单数：bases
"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 collectorv.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"
base on基于，以……为根据；在……基础上
production base生产基地
on base[体]占垒
base in基于
at base本质上
in base【纹章学】在盾形纹章的下部
knowledge base知识库
data base 数据库（等于data bank）；基本数据；储存之资料
customer base客户群；客户基础
industrial base工业基地
base oil基础油；原油
base station基站；基电台
economic base[经]经济基础
base material基础材质
main base主基地；控制点
base area底面积；底面
base metal[化]基底金属；碱金属
base point基准点；原点
base plate底盘，底座；[医]基板（牙）
base class基础类别，基本类
更多收起词组短语这组词都有“基础”的意思，其区别是：
basis主要用作抽象或引申意义。
ground含义与basis和foundation接近。一般指某种决定、论点或关系的基础，也可指某种原因的基础。
base侧重指构成或支撑某一具体物体的基础，也可指军事基地或用作比喻意义。
foundation用于具体意义时，侧重指坚固结实的建筑物的基础或地基；用作比喻意义时，与basis基本相同。
ground, base, foundation这组词都有“基础”的意思，其区别是：
groundn.地面，土地，也指地域，水底，海底。
basen.指具体的有形的基础，也可指物体的底部、基部；基地，总部。
They use their apartment in New York as a home base from which they travel frequently.他们把纽约的公寓作为他们频繁出行的大本营。
foundationn.本义指建筑物的地基，含有坚实的基础的意思；基金会。
The foundation for our house is made of cement.我们房子的地基是水泥打下的。
basis, basebasis 多用于比喻，主要指命题的基础。如：His ideas have no basis in reality.(他的意见缺乏现实基础。)
base表事物的下部的底部，多用于具体事物。