of, relating to, or marking the completion of a period of four hundred years.

What is every 70 years called?

A person between 60 and 69 is called a sexagenarian. A person between 70 and 79 is called a septuagenarian. A person between 80 and 89 is called an octogenarian. A person between 90 and 99 is called a nonagenarian. A person between 100 and 109 is called a centenarian.

What is 500 years called?

Definition of quincentenary

: a 500th anniversary or its celebration. Other Words from quincentenary Example Sentences Learn More About quincentenary.

What do we call 100 years?

a centennial. a period of 100 years; century.

What is 72 years called?

[ sep-choo-uh-juh-nair-ee-uhn, -too-, -tyoo- ] SHOW IPA. / ˌsɛp tʃu ə dʒəˈnɛər i ən, -tu-, -tyu- / PHONETIC RESPELLING.

Hudson Quadricentennial

What is an 80 year old called?

Definition of octogenarian

: a person whose age is in the eighties The octogenarian uses a cane for walking.

What are 90 year olds called?

What does nonagenarian mean? A nonagenarian is someone in their 90s (90 to 99 years old), or someone who is 90 years old.

What is every 1000 years called?

Since in Latin mille means "thousand", a millennium lasts 1,000 years.

What is an Oxygenarian?

The word "Oxygenarian" is a play on the word "Octogenarian", which is a person who has lived at least 80 years.

What is 10,000 years called?

Decamillennium- A period of ten thousand years.

Is there a word for 1 million years?

A million years is called a megaannum, which is often abbreviated 'Ma. ' This term comes from the word parts 'mega' which means 'huge' and 'annum'... See full answer below.

What is bigger than a millennium?

The answer is Eon. Eon often refers to a span of one billion years. Show activity on this post.

What is age 50 called?

Definition of quinquagenarian

(Entry 1 of 2) : fifty years old : characteristic of a person of such an age. quinquagenarian.

What is someone in their 40s called?

Quadragenarian: Someone in his or her forties. Quinquagenarian: Someone in his or her fifties. Sexagenarian: Someone in his or her sixties. Septuagenarian: Someone in his or her seventies. Octogenarian: Someone in his or her eighties.

What is 300 years called?

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

What is Quadricentennial?

Definition of quadricentennial

: a 400th anniversary or its celebration.

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.

Is there a word for 15 years?

Quindecennial Definition & Meaning | Dictionary.com.

When did the 21st century start?

By extrapolation, the 20^th century comprises the years AD 1901-2000. Therefore, the 21^st century will begin with 1 January 2001 and continue through 31 December 2100. Similarly, the 1^st millennium comprised the years AD 1-1000. The 2^nd millennium comprises the years AD 1001-2000.

What are 20 years called?

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

Is 40 a middle age?

middle age, period of human adulthood that immediately precedes the onset of old age. Though the age period that defines middle age is somewhat arbitrary, differing greatly from person to person, it is generally defined as being between the ages of 40 and 60.