What do we call 15 years?

British Dictionary definitions for quindecennial

quindecennial. / (ˌkwɪndɪˈsɛnɪəl) / adjective. occurring once every 15 years or over a period of 15 years.

What is a period of 20 years called?

vicennial. / (vɪˈsɛnɪəl) / adjective. occurring every 20 years. relating to or lasting for a period of 20 years.

How long is a half decade?

A demi-decade is a period of time considered to be equivalent to half a decade, roughly five years. Prototypically this milestone falls in years which end in the number 5, since the most common perception of a decade is the run of years ending in digits 0 to 9.

What is 2 decades called?

adjective. vi·​cen·​ni·​al | \ vī-ˈse-nē-əl \

What do you call 30 years?

A person between 20 and 29 is called a vicenarian. A person between 30 and 39 is called a tricenarian. A person between 40 and 49 is called a quadragenarian. A person between 50 and 59 is called a quinquagenarian.

Year Decade Century Millennium Time Measurement Relations

What is a period of 25 years called?

A period of 25 years is a "Generation".

How long is a century?

A century is a period of 100 years.

How long is 12 years called?

Duodecennial word can be used as alternatively for a gap once in 12 years .

What is a 100 years called?

a centennial. a period of 100 years; century.

What is forty years called?

40 years = 4 Decades.

What is the word for 50 years?

What does quinquagenarian mean? A quinquagenarian is someone in their 50s (50 to 59 years old), or someone who is 50 years old.

What is Vicenary?

1. vicenary - of or relating to or based on 20. quantitative - expressible as a quantity or relating to or susceptible of measurement; "export wheat without quantitative limitations"; "quantitative analysis determines the amounts and proportions of the chemical constituents of a substance or mixture"

What is Duodecennial?

Definition of duodecennial

: occurring once in 12 years.

Is fifteen year old an adjective?

"15 years old" is used as an adjective phrase in "I have a 15-year-old son" or "He drives a 15-year-old car." Note that you must change from "years" to the singular "year" to use this phrase as an adjective.

How much year is a decade?

A decade is a period of ten years, especially one that begins with a year ending in 0, for example 1980 to 1989.

What are periods of years called?

Let's look at some terms used to describe multiple years. Decade: Ten (10) years. Century: One hundred (100) years. Millennium: One thousand (1,000) years.

Is 10 year a decade?

A decade is a period of ten years, especially one that begins with a year ending in 0, for example, 1980 to 1989.

What is in a decade?

noun. a period of ten years: the three decades from 1776 to 1806. a period of ten years beginning with a year whose last digit is zero: the decade of the 1980s. a group, set, or series of ten.

What years is 21st century?

The 21st century is the present century of the Gregorian calendar. It began on January 1, 2001 and will last to December 31, 2100, though common usage mistakenly believes January 1, 2000 to December 31, 2099 to hold this distinction.

What is a millennium year?

mil-len-ni-um (n). A span of one thousand years. According to the United States Naval Observatory, the nation's official time keeper, the end of the second millennium and the beginning of the third will be reached on January 1, 2001.

How many years is the 21st century?

The 21st (twenty-first) century is the current century in the Anno Domini era or Common Era, under the Gregorian calendar. It began on January 1, 2001 (MMI) and will end on December 31, 2100 (MMC). Centuries: 20th century.

What is Quadranscentennial?

Noun. quadranscentennial (plural quadranscentennials) The twenty-fifth anniversary of an event or happening. quotations ▼synonym ▲ Synonym: (informal) silver jubilee.

What is 75th birthday called?

A 75th anniversary can be referred to as a diamond jubilee occasionally, but that term is commonly used to refer to a 60th anniversary. An anniversary of 100 years is simply called a centenary.

What is 300 years called?

tercentennial. / (ˌtɜːsɛnˈtiːnərɪ) / adjective. of or relating to a period of 300 years.