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  • sen
    sen
    noun
    a money of account of Japan, one 100th of a yen, now used only in certain quotations, as on foreign exchange.
  • sen.
    sen.
    abbreviation
    senate.
  • Sen.
    Sen.
    abbreviation
    senator
  • SEN
    SEN
    abbreviation
    (formerly) State Enrolled Nurse

sen

1 American  
[sen] / sɛn /

noun

  • sen
    plural
  1. a money of account of Japan, one 100th of a yen, now used only in certain quotations, as on foreign exchange.


sen 2 American  
[sen] / sɛn /

noun

  • sen
    plural
  1. a money of account of Cambodia, one 100th of a riel.


sen 3 American  
[sen] / sɛn /

noun

  • sen
    plural
  1. an aluminum coin and monetary unit of Indonesia, one 100th of a rupiah.

  2. a bronze, cupronickel, or copper-clad coin and monetary unit of Malaysia, one 100th of a ringgit.


sen. 4 American  
Or sen.

abbreviation

  1. senate.

  2. senator.

  3. senior.


Sen. 1 British  

abbreviation

  1. senator

  2. senior

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

SEN 2 British  

abbreviation

  1. (formerly) State Enrolled Nurse

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

sen 3 British  
/ sɛn /

noun

  1. a monetary unit of Brunei, worth one hundredth of a dollar, Cambodia, worth one hundredth of a riel, Indonesia, worth one hundredth of a rupiah, Malaysia, worth one hundredth of a ringgit, and formerly of Japan (where it is still used as a unit of account)

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms

Noun Inflected Forms

Etymology

Origin of sen1

First recorded in 1725–35; from Japanese, from Middle Chinese, equivalent to Chinese qián; cf. chon

Origin of sen2

First recorded in 1960–65; from Khmer sein, probably Khmer pronunciation of the French abbreviation cent., for centime ( see centime), stamped on Cambodian coins

Origin of sen3

First recorded in 1950–55; from Malay, from English cent

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

"What makes these organisms particularly dangerous is their ability to survive conditions that kill many other microbes," said corresponding author Longfei Shu of Sun Yat sen University.

From Science Daily ● Jan. 25, 2026

A UniCredit logo is sen in downtown Rome, May 10, 2016.

From Reuters ● Mar. 9, 2022

The menu features Lao dishes such as the rice noodle soup khao piak sen and beef noodle soup Lao pho.

From Los Angeles Times ● Feb. 12, 2019

Recommended Dishes Khao yum gai zaap; gai yang; tom yum; larb gai; larb neua; nam tok; yum woon sen.

From New York Times ● Dec. 15, 2016

They had been bom horn her faith and her need, given life by the deaths of her husband and unborn sen and the maegi Mini Maz Duur.

From "A Clash of Kings" by George R.R. Martin

Mr. Walter Runciman, sen., has given the characteristic title, Windjammers and Sea Tramps, to a little book of recollections and opinions on the merchant service.

From The Shellback's Progress In the Nineteenth Century by Walter Runciman

According to the evidence at our disposal, Charles Lloyd, sen., was a good father.

From The Works of Charles and Mary Lamb — Volume 5 The Letters of Charles and Mary Lamb, 1796-1820 by E. V. (Edward Verrall) Lucas

M. le D'Record, sen. discovered, during a long residence in America, what he considers a sure mode of preventing mischief from such bites.

From The Mirror of Literature, Amusement, and Instruction Volume 10, No. 284, November 24, 1827 by Various

Owing to poor health, Mr. Paine, sen., soon abandoned the law for other pursuits.

From The Bay State Monthly, Volume 3, No. 6 by Various

Sir John Tradescant, sen., three-quarter size, ornamented with fruit, flowers, and garden roots.

From Notes and Queries, Number 79, May 3, 1851 A Medium of Inter-communication for Literary Men, Artists, Antiquaries, Genealogists, etc by George Bell

State Sen. Catherine Blakespear, author of Senate Bill 1135, said she’s seen it play out with sea lions around La Jolla Cove.

From Los Angeles Times ● Sep. 30, 2026

The FBI had questions about a steak dinner Kao shared with Sen. Lindsey Graham.

From Salon ● Sep. 23, 2026

Sen. John Curtis of Utah isn’t up for reelection until 2030.

From Slate ● Sep. 23, 2026

A consummate insider, Winer had parlayed six years as chief of staff to Democratic Sen. Brian Schatz of Hawaii into a lucrative lobbying career with a firm called Strategies 360.

From Salon ● Sep. 23, 2026

These girls don't know anything yet about the power of Anna Sen. Whirling, I give them my signature stare from head to toe.

From "You Bring the Distant Near" by Mitali Perkins

It is the responsibility of the EA to arrange for the special educational provision as specified in a statement of SEN to be made.

From BBC ● Sep. 6, 2026

The changes would give schools "more flexibility" and freedom to decide how best to support children and young people with SEN in the classroom, the EA said when the plans were announced.

From BBC ● Sep. 6, 2026

One of them, four-year-old Lottie, has severe learning difficulties but could not get a place at a SEN school.

From BBC ● Sep. 6, 2026

Amy Gibney said she is one of eight parents told on Thursday that SEN schools across Belfast are either full or unable to meet their children's needs.

From BBC ● Jun. 20, 2026

It will generally be right to employ SEN to represent the English suffix -less, as:—Sendanka = thankless, senmona = penniless, senhara = hairless, bald, senutila = useless.

From The International Auxiliary Language Esperanto Grammar and Commentary by George Cox

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