Apedia

 A Platform Raised Flat Platform  B Political Shoe

Title platform
Text
Merriam-Webster's Collegiate Dictionary
plat·form
 \\ˈplat-ˌfȯrm\\ noun
 USAGE  often attributive
 ETYMOLOGY  Middle French plate-forme diagram, map, literally, flat form
 DATE  1535
1. 
plan
design
2. a declaration of the principles on which a group of persons stands; especially : a declaration of principles and policies adopted by a political party or a candidate
3.
  a.
    (1) a usually raised horizontal flat surface; especially : a raised flooring
    (2) a device or structure incorporating or providing a platform; especially : such a structure on legs used for offshore drilling (as for oil)
  b. a place or opportunity for public discussion
4.
  a. a usually thick layer (as of cork) between the inner sole and outer sole of a shoe
  b. a shoe having such a sole
5.
  a. a vehicle (as a satellite or aircraft) used for a particular purpose or to carry a usually specified kind of equipment
  b. operating systemalso : the computer architecture and equipment using a particular operating system
English Etymology
platform
  1550, "plan of action, scheme, design," from 
M.Fr
http://M.Fr
. plate-forme,lit. "flat form," from 
O.Fr
http://O.Fr
. plate "flat" (see plat) + forme "form" (see form). The literal sense of "raised, level surface" is first recorded 1560. Political meaning, "statement of party policies," is from 1803, probably originally an image of a lit. platform on which politicians gather, stand, and make their appeals, perhaps influenced by earlier sense of "set of rules governing church doctrine" (first attested 1573). Railroad station sense is from 1838.
Oxford Advanced Learner's Dictionary-牛津双解-OALD7
 platform
plat·form 5plAtfC:mNAmE -fC:rm / nounAT TRAIN STATION 火车站 
1. the raised flat area beside the track at a train station where you get on or off the train
   站台;月台:
   (BrE) What platform does it go from? 
   火车从哪个站台发车? 
   (BrE) The train now standing at platform 1 is for Leeds. 
   停靠在 1 号站台的火车是开往利兹的。 
 compare 
track
 n. (4) 
FOR PERFORMERS 表演用 
2. a flat surface raised above the level of the ground or floor, used by public speakers or performers so that the audience can see them
   讲台;舞台
   SYN  
rostrum
 :
   Coming onto the platform now is tonight's conductor, Jane Glover. 
   现在出场的是今晚的指挥简 · 格洛弗。 
   Representatives of both parties shared a platform (= they spoke at the same meeting).
   两党的代表同台发言。 
RAISED SURFACE 凸起的平面 
3. a raised level surface, for example six that equipment stands on or is operated from
   平台:
   an oil / gas platform 
   石油/天然气钻井平台 
   launch platform (= for 
spacecraft
 
   发射平台 
   viewing platform giving stunning views over the valley
   纵览山谷美景的观景台 
POLITICS / OPINIONS 政治;观点 
4. [usually sing.] the aims of a political party and the things that they say they will do if they are elected to power
   (政党的)纲领,政纲,宣言:
   They are campaigning on an anti-immigration platform. 
   他们正在宣传反对外来移民的政纲。 
5. an opportunity or a place for sb to express their opinions publicly or make progress in a particular area
   (公开表达意见或在某方面发展的)机会,阵地,讲坛:
   She used the newspaper column as a platform for her feminist views. 
   她以这个报纸专栏为讲坛,宣传她的女权主义观点。 
COMPUTING 计算机技术 
6. the type of computer system or the software that is used
   计算机平台:
   an IBM platform 
   国际商用机器公司平台 
   a multimedia platform 
   多媒体平台 
SHOES 鞋子 
7. a high thick 
sole
 of a shoe
   厚鞋底:
   platform shoes 
   厚底鞋 
ON BUS 公共汽车 
8. (BrEthe open part at the back of a 
double-decker
 bus where you get on or off
   (双层汽车的)上下车出入口,入口平台
Oxford Collocations Dictionary for Students of English
Oxford Collocations dictionary for students of English

platform 
noun 
raised floor 

ADJ. high, raised | wooden 

VERB + PLATFORM mount, stand on The king mounted the platform to loud cheers. | appear on, speak from | share Union leaders shared the platform with business leaders in a debate on the future of the industry. 

at a railway station 

ADJ. railway, station 

PREP. along a/the ~ He ran along the platform to catch the train. | at ~ The train at platform 3 is the 13.15 service to Liverpool. | from ~ The next train to depart from platform 2 is the 10.30 for London Paddington. | on ~ the waiting room on platform 7 

in politics 

ADJ. political | election, electoral 

PREP. in a/the ~ the promises in their election platform | on a/the ~ of They fought the election on a platform of economic reform. 

OLT
platform noun
 forum (a platform for their views) plan1 (an election platform) stage2 (the speaker's platform)
Webster's Third New International Dictionary, Unabridged
plat·form
I. \ˈplatˌfȯrm\ noun
Usage: often attributive
Etymology: Middle French plate-forme, literally, flat form, from plate (feminine of plat flat, from Old French) + forme form, from Old French — more at 
plate
form
1. 
 a. : a diagrammatic representation of something on the flat (as a ground plan or map)
 b. : a plan of action or statement of policy : 
design
pattern
scheme
: as
  (1) : a plan of ecclesiastical or religious policy or principles
  (2) : a declaration of the principles on which a group of persons or a party stand and on which they appeal for support; especially : a declaration of principles and policies of government adopted by a political party or an individual (as a candidate for political office)
2. : a horizontal flat surface usually higher than the adjoining area (as of floor or ground): as
 a. : a permanent or temporary base for the mounting of guns
 b. obsolete : a promenade on top of a building or wall
 c. also platform deck : a light partial deck without sheer or crown on a ship
 d. 
  (1) : a natural or constructed terrace
  (2) : a small level space (as a ledge) on steep rocks
  (3) : a flat or nearly flat area of the earth's solid surface either above or below the surface of the sea that stands above adjacent areas on at least one side and is ordinarily smaller than a plateau— compare continental plateau
 e. : a raised flooring (as a stage or dais) in a building on which speakers, theatrical performers, or other persons show themselves to an audience
 f. : an elevated ledge or shelf (as of a machine or freight station) used especially for the reception or transfer of materials
 g. : a raised area in either valve of some brachiopods to which the muscles attach
 h. 
  (1) or platform sole : a thick midsole of a shoe made of wood, cork, or other lightweight material and usually covered with the same material as the upper — see 
shoe
 illustration
  (2) or platform shoe : a shoe having a platform sole
3. 
 a. obsolete : the site of or area occupied by something (as a building)
 b. 
  (1) : the grounds for or basis of something (as a decision, proposal, or action)
  (2) : a level of something (as conduct, discussion, or thought)
 c. 
  (1) : a place for public discussion (as of questions of public interest) : a lecture forum : 
lyceum
   < during the platform season >
  also : public discussion of such matters
  (2) : public speaking
   < a good platform manner >
II. verb
(-ed/-ing/-s)
transitive verb
1. obsolete : 
formulate
outline
2. : to furnish with a platform
3. : to place on or as if on a platform
intransitive verb
: to speak from or as if from a platform
III. noun
1. : a structure on legs used for offshore drilling (as for oil) 
2. 
 a. 
  (1) : a vehicle (as a satellite or aircraft) used for a particular activity or purpose or to carry a usually specified kind of equipment 
  (2) : a basic framework (as a chassis) upon which an automobile is constructed 
 b. : a computer architecture that uses a particular operating system

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