
1) Chemical nomenclature 2) French word used in English 3) Last 2 million years 4) Multiple 5) Quaternate 6) Set of four
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1) Four 2) Fourth 3) Multiple 4) Quadruplet 5) Quartet 6) Quatern 7) Quaternate 8) Quaternion 9) Quaternity 10) Tetrad
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- last 2 million years
- the cardinal number that is the sum of three and one
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the four lower 'principles' in man's sevenfold constitution, to wit: Rupa, Life, Astral Body, and Kama. These four separate and disintegrate in Kama loka after death, for when the link is broken the deserted physical body is as much in Kama loka as the others. The symbol of the Quaternary is a square.
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The geological period covering about 2 million years ago to the present.
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http://earthquakescanada.nrcan.gc.ca/info-gen/glossa-eng.php

The Quaternary Period is the most recent of the three periods of the Cenozoic Era in the geologic time scale of the ICS. It follows after the Neogene Period, spanning 2.588
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http://en.wikipedia.org/wiki/Glossary_of_geology

The Quaternary Period i is the most recent of the three periods of the Cenozoic Era in the geologic time scale of the International Commission on Stratigraphy (ICS). It follows the Neogene Period and spans from 2.588 ± 0.005 million years ago to the present. The Quaternary Period is divided into two epochs: the Pleistocene (2.588 million years ag...
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http://en.wikipedia.org/wiki/Quaternary
[chemistry] Quaternary is a term used in organic chemistry to classify various types of compounds (e. g. amines and ammonium salts). == See also == ...
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http://en.wikipedia.org/wiki/Quaternary_(chemistry)

• (a.) Consisting of four; by fours, or in sets of four. • (n.) The number four. • (a.) Later than, or subsequent to, the Tertiary; Post-tertiary; as, the Quaternary age, or Age of man. • (n.) The Quaternary age, era, or formation. See the Chart of Geology.
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http://thinkexist.com/dictionary/meaning/quaternary/

(L. quaternarius, from quattuor four) 1. fourth in order. 2. containing four elements or groups.
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The period of Earth's history from about 2 million years ago to the present; also, the rocks and deposits of that age
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http://volcano.oregonstate.edu/glossary/1

in the geologic history of Earth, a unit of time within the Cenozoic Era, beginning approximately 2.6 million years ago and continuing to the present ... [8 related articles]
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http://www.britannica.com/eb/a-z/q/5

1. Fourth in order. ... 2. Containing four elements or groups. ... Origin: L. Quaternarius, from quattuor = four ... (18 Nov 1997) ...
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http://www.encyclo.co.uk/local/20973

(kwah´tәr-nar″e) (kwah-tur´nәr-e) fourth in a series. made up of four elements or groups.
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http://www.encyclo.co.uk/local/21001

The period of Earth's history from about 2 million years ago to the present; also, the rocks and deposits of that age.
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http://www.encyclo.co.uk/local/21455

Quaternary. The geologic time period comprising about the last 1.65 million years.
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http://www.encyclo.co.uk/local/21456

The second period of the Cenozoic era, following the Tertiary; also, the corresponding system of rocks. It began two to three million years ago and extends to the present. It consists of two grossly unequal epochs: The Pleistocene, up to about 8,000 years ago, and the Holocene since that time. The Quaternary was originally designated an era rather ...
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http://www.encyclo.co.uk/local/22047
Qua·ter'na·ry adjective [ Latin
quaternarius consisting of four each, containing four, from
quaterni four each, from
quattuor four: confer French
quaternaire . See
Four .]
1. Consisting of four; by fours, or in sets of four.
2. (Geol.) Late...
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http://www.encyclo.co.uk/webster/Q/6
(Q) Type: Term Pronunciation: kwah′tĕr-nār′ē, kwah-tĕr′nĕ-rē Definitions: 1. Denoting a chemical compound containing four elements; NaHSO
4. 2. Fourth in a series. 3. Relating to organic compounds in which some central atom is attached to four functional groups; applied to the usually...
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An informal sub-era from 2.58 or 1.8 mya to today. The Quaternary is traditionally associated with the Holocene and Pleistocene, but an alternative definition sets its start during the cycle of glacials and interglacials around 2.6 mya.
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http://www.scientificpsychic.com/etc/geology-glossary.html

the most recent geological era, from 2 million years ago to present. The Quaternary consists of Pleistocene and Recent periods. See time table.
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http://www.seafriends.org.nz/books/glossary.htm

quaternary 1. Consisting of four things or parts; characterized by the number four. 2. The most recent geologic period; the current period of geologic time, beginning 1.6 million years ago and characterized by the appearance and dominance of humans.
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(1) The youngest geologic period; includes the present time. (2) The latest period of time in the stratigraphic column, 0 â€` 2 million years, represented by local accumulations of glacial (Pleistocene) and post-glacial (Holocene) deposits which continue, without change of fauna, from the top of the Pliocene (Tertiary). The QUATERNARY appears to...
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https://www.encyclo.co.uk/local/20127

The geological period covering about 2 million years ago to the present.
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Quaternary period noun last 2 million years
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https://www.encyclo.co.uk/local/20974
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