Other definitions for dec- (2 of 4)
Origin of dec.1
Other definitions for dec- (3 of 4)
Other definitions for dec- (4 of 4)
WORDS THAT USE DEC-
What does dec- mean?
Dec- is a combining form used like a prefix meaning “ten.” It appears in a small range of terms.
Dec- comes from the Greek déka, meaning “ten.” The word December is related to this root via the Latin equivalent, decem. In fact, what is now the twelfth month of the year was once the tenth month of the early Roman calendar. Learn more at our entry for December.
What are variants of dec-?
Dec- is a variant of deca-, which loses its –a– when combined with words or word elements beginning with vowels. A similar prefix is deka-, which is reserved for the naming of metric units, and a related Latin-origin form is deci-, from Latin decimus, “tenth.”
Want to know more? Check out our Words That Use articles for deca-, deci-, and deka-.
Examples of dec-
An example of a term you may have come across that features dec- is decade, “a period of ten years.” Decade comes from the Greek dekad-, which features the equivalent of the form dec-.
The form dec- means “ten,” as we have seen. The suffix -ade has various meanings, including denoting “a group or unit comprising a certain number, sometimes of years.” Decade literally translates to “a group of ten [years].”
What are some words that use the combining form dec-?
- decennary (using the equivalent form of dec- in Latin)
- decennium (using the equivalent form of dec- in Latin)
What are some other forms that deca- may be commonly confused with?
Not every word that begins with the letters dec-, such as decadence or decapitate, is necessarily using the combining form dec- to denote “ten.” Learn why decadence is related to “decay” at our entry for the word.
How to use dec- in a sentence
On Dec. 30, she filed a similar lawsuit in D.C. Superior Court.Ex-CBS Reporter Sharyl Attkisson’s Battle Royale With the Feds|Lloyd Grove|January 9, 2015|DAILY BEAST
On Dec. 22, 1799, Sands told her cousins that she would be leaving to elope with a fellow boarder named Levi Weeks that night.New York’s Most Tragic Ghost Loves Minimalist Swedish Fashion|Nina Strochlic|January 8, 2015|DAILY BEAST
Training in Taji began Dec. 20; a week later, 218 Iraqis began receiving training in Anbar.Pentagon Insider on New Plan to Fight ISIS: ‘Of Course It’s Not Enough’|Nancy A. Youssef|January 6, 2015|DAILY BEAST
It was Dec. 20, 1991, the deadline for the New Hampshire primary.Mario Cuomo, a Frustrating Hero to Democrats, Is Dead at 82|Eleanor Clift|January 2, 2015|DAILY BEAST
In the week starting Dec. 22, arrests were down 66 percent compared to the same week in 2013.Ground Zero of the NYPD Slowdown|Batya Ungar-Sargon|January 1, 2015|DAILY BEAST
After the lapse of a short time the schools were completed, and up to the present (Dec. 1869) worship has been held in them.Our Churches and Chapels|Atticus
Those who are interested may be referred to an excellent article in America for Dec. 20, 1913, "What to say and how to say it."Breaking with the Past|Francis Aidan Gasquet
The Council of Trent, on receiving an account of the battle, Dec. 28th, offered solemn thanksgivings.History of the Rise of the Huguenots|Henry Baird
Convention of Dec. 31, 1913, regarding the unification of commercial statistics.
Convention of Dec. 21, 1904, regarding the exemption of hospital ships from dues and charges in ports.