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(esp US), eon
1. a period of one thousand million years
2. Gnosticism one of the powers emanating from the supreme being and culminating in the demiurge



an interval of time in the earth’s geological history, during which an eonothem formed. It includes several eras. The length of the last eon, the Phanerozoic, is estimated at 570 million years according to isotopic findings. (See alsoGEOCHRONOLOGY.)


A unit of time, equal to 109 years.
References in periodicals archive ?
Eons is a 50-plus media company inspiring a generation of boomers and seniors to live the biggest life possible.
Brain Builders brings Eons members a variety of highly entertaining games that offer an excellent brain workout for one of the most misunderstood 'muscles' in our body.
Eons celebrated a number of milestones in its first year that positioned it as the clear market leader in boomer online social networking, including:
Founded by Jeff Taylor, Eons is a media company inspiring a new generation of boomers and seniors to live the biggest life possible.
Bunchball's social games are a natural fit with the Eons community, providing a fun way to interact and play with each other.
In 2006, the first baby boomers turned 60; 2007 is the year that the Eons Generation will adopt the Web and fully explore the many possibilities of "Web 2.
Eons aims to capture this growing momentum and propel boomers and seniors toward achieving their goals by creating customized products and services in tandem with our corporate founding partners.
More than 44 million people 50 and over are online, yet Eons stands alone as the only interactive community created by and specifically for the 50-plus audience.
Perls created his first Web-based Life Expectancy Calculator in 1999 and recently collaborated with Eons to create proprietary offerings that specifically target adults 50+ and help them to add, in the words of Abraham Lincoln, "not just years to life but life to their years.
Beginning today, Eons will distribute Limited Edition "How Old Are You?