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Xmas

Xmas is a science topic covered in the lgStudy science library. This page brings together a partial reference excerpt, illustrations, worked examples, real-world applications and a short study plan, so you can understand Xmas rather than just read about it. In short: Xmas (also X-mas) is a common abbreviation of the word Christmas. It is sometimes pronounced , but Xmas, and variants such as Xtemass, originated as handwriting abbreviations for the typical pronunciation .

Xmas — main illustration
Xmas — illustration

Key takeaways

  • Xmas belongs to science; place it in that map before memorising details.
  • Learn the definition first, then one example that makes the definition concrete.
  • Connect Xmas to a quantity you can measure, compute or draw — that is where exam questions come from.
  • Reproduce the core statement of Xmas from memory before moving on to harder problems.

Reference excerpt

Xmas (also X-mas) is a common abbreviation of the word Christmas. It is sometimes pronounced , but Xmas, and variants such as Xtemass, originated as handwriting abbreviations for the typical pronunciation . The 'X' comes from the Greek letter Chi, which is the first letter of the Greek word Christós (Ancient Greek: Χριστός, romanized: Khristós, lit. 'anointed, covered in oil'), which became Christ in English. The suffix -mas is from the Latin-derived Old English word for Mass. There is a common misconception that the word Xmas stems from a secularizing tendency to de-emphasize the religious tradition of Christmas, by taking the 'Christ' out of "Christmas". Nevertheless, the term's usage dates back to the 16th century, and corresponds to Roman Catholic, Eastern Orthodox, Lutheran and Anglican liturgical use of various forms of chi-rho monogram. In English, "X" was first used as a scribal abbreviation for "Christ" in 1100; "X'temmas" is attested in 1551, and "Xmas" in 1721.

Style guides and etiquette The term Xmas is deprecated by some modern style guides, including those at The New York Times, The New York Times Manual of Style and Usage, The Times, The Guardian, and the BBC. Millicent Fenwick, in the 1948 Vogue's Book of Etiquette, states that Xmas "should never be used" in greeting cards. The Cambridge Guide to Australian English Usage states that the spelling should be considered informal and restricted to contexts where concision is valued, such as headlines and greeting cards. The Christian Writer's Manual of Style, while acknowledging the ancient and respectful use of Xmas in the past, states that the spelling should never be used in formal writing.

History

Use in English

Early use of Xmas includes Bernard Ward's History of St. Edmund's college, Old Hall (originally published c. 1755). An earlier version, X'temmas, dates to 1551. Around 1100 the term was written as Xp̄es mæsse in the Anglo-Saxon Chronicle. Xmas is found in a letter from George Woodward in 1753. Lord Byron used the term in 1811, as did Samuel Coleridge (1801) and Lewis Carroll (1864). In the United States, the fifth American edition of William Perry's Royal Standard English Dictionary, published in Boston in 1800, included in its list of "Explanations of Common Abbreviations, or Contraction of Words" the entry: "Xmas. Christmas." Oliver Wendell Holmes Jr. used the term in a letter dated 1923. Since at least the late 19th century, Xmas has been in use in various other English-language nations. Quotations with the word can be found in texts first written in Canada, and the word has been used in Australia, and in the Caribbean. Merriam-Webster's Dictionary of English Usage stated that modern use of the term is largely limited to advertisements, headlines and banners, where its conciseness is valued. The association with commerce "has done nothing for its reputation", according to the dictionary. In the United Kingdom, the former Church of England Bishop of Blackburn, Alan Chesters, recommended to his clergy that they avoid the spelling. In the United States, in 1977 New Hampshire Governor Meldrim Thomson sent out a press release saying that he wanted journalists to keep the "Christ" in Christmas, and not call it Xmas—which he called a "pagan" spelling of 'Christmas'.

Use of X for 'Christ'

The abbreviation of Christmas as Xmas is a source of disagreement among Christians who observe the holiday. The December 1957 News and Views published by the Church League of America, a conservative organization co-founded in 1937 by George Washington Robnett, attacked the use of Xmas in an article titled "X=The Unknown Quantity". The claims were picked up later by Gerald L. K. Smith, who in December 1966 claimed that Xmas was a "blasphemous omission of the name of Christ" and that "'X' is referred to as being symbolical of the unknown quantity". Smith further argued that the Jewish people had introduced Santa Claus to suppress New Testament accounts of Jesus, and that the United Nations, at the behest of "world Jewry", had "outlawed the name of Christ". There is, however, a well documented history of use of Χ (actually the Greek letter chi) as an abbreviation for "Christ" (Χριστός) and possibly also a symbol of the cross. The abbreviation appears on many Orthodox Christian religious icons. Dennis Bratcher, writing for Christian website The Voice, states "there are always those who loudly decry the use of the abbreviation 'Xmas' as some kind of blasphemy against Christ and Christianity". Among them are evangelist Franklin Graham and former CNN contributor Roland S. Martin. Graham stated in an interview:

… excerpt ends here. Continue reading the full article.

Illustrations

Xmas: A 1922 advertisement in Ladies' Home Journal for Biberman Bros.: "Give her a L'Aiglon for Xmas"
A 1922 advertisement in Ladies' Home Journal for Biberman Bros.: "Give her a L'Aiglon for Xmas"
Xmas: "Xmas" used on a Christmas postcard, 1910
"Xmas" used on a Christmas postcard, 1910
Xmas: The Chi-Rho is a Christian symbol representing Christ.
The Chi-Rho is a Christian symbol representing Christ.

Worked examples

Example 1 — a first encounter with Xmas

Start with the simplest possible case. Write down what Xmas claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In science, the smallest case is usually a single object, a single equation or a single measurement. Check that every symbol or term in your sentence has a meaning in that case.

Example 2 — changing one variable

Take the situation from Example 1 and change exactly one quantity: double it, halve it, or set it to zero. Predict what should happen to Xmas before you calculate. Comparing your prediction with the result is the fastest way to find out whether you understand the idea or only the words.

Example 3 — an exam-style question

Typical questions about Xmas ask you to (a) state it precisely, (b) apply it to given data, and (c) explain a limitation. Practise writing all three answers in under five minutes; the third part is what separates a full-mark answer from an average one.

Applications of Xmas

In research
Xmas appears in science research whenever the underlying quantities have to be modelled precisely. Papers usually cite it as a starting assumption and then explore where it breaks down.
In technology and industry
Engineering practice reuses Xmas in design rules, simulations and safety margins. Knowing the idea lets you read a specification sheet and understand why the numbers look the way they do.
In the classroom
Xmas is common in secondary-school and first-year university syllabi. It links to neighbouring topics 16th-century neologisms, Abbreviations, Christmas, so understanding it makes those chapters shorter.
In everyday life
Look for Xmas outside the textbook — in sport, cooking, traffic, electronics or the sky above you. An example you found yourself is remembered far longer than one you were given.
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How to study Xmas in 20 minutes

  1. Read the reference excerpt below once, without taking notes.
  2. Close the page and write down what Xmas means in your own words.
  3. Compare your version with the excerpt and mark what you missed.
  4. Work through the three examples above with pen and paper.
  5. Explain Xmas out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is Xmas in simple terms?

Xmas (also X-mas) is a common abbreviation of the word Christmas. It is sometimes pronounced , but Xmas, and variants such as Xtemass, originated as handwriting abbreviations for the typical pronunciation .

Why does Xmas matter?

Because it connects several science ideas at once: it gives you a definition you can apply, a quantity you can calculate, and a way to check whether a result is plausible.

How should I study Xmas?

Read the excerpt, restate it from memory, then work through the examples and applications listed on this page. The five-step study plan above takes about twenty minutes.

What does this page cover?

It gives you a compact reference excerpt plus original lgStudy explanations, examples, applications and study material on Xmas.

Tags

  • 16th-century neologisms
  • Abbreviations
  • Christmas
  • Linguistic controversies

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