
1) Chemical nomenclature 2) Of the third order 3) Of third rank 4) Ordinal 5) Third 6) Third in degree or order 7) Third in order 8) Third in rank
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https://www.crosswordclues.com/clue/tertiary

1) Third
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https://www.crosswordclues.com/clue/tertiary

Tertiary is an old unofficial but still widely used term for a geologic period from 66 million to 2.58 million years ago, a time span that lies between the superseded Secondary period and the Quaternary. The Tertiary is no longer recognized as a formal unit by the International Commission on Stratigraphy, its traditional span being divided between...
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http://en.wikipedia.org/wiki/Tertiary
[chemistry] Tertiary is a term used in organic chemistry to classify various types of compounds (e. g. alcohols, alkyl halides, amines) or reactive intermediates (e. g. alkyl radicals, carbocations). == See also == ...
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http://en.wikipedia.org/wiki/Tertiary_(chemistry)

• (a.) Being of the third formation, order, or rank; third; as, a tertiary use of a word. • (a.) Growing on the innermost joint of a bird`s wing; tertial; -- said of quills. • (a.) Later than, or subsequent to, the Secondary. • (n.) A member of the Third Order in any monastic system; as, the Franciscan tertiaries; the Dominican ...
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http://thinkexist.com/dictionary/meaning/tertiary/

Lateral or panel openings (e.g., ramp, crosscut).
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http://www.coaleducation.org/glossary.htm

In the Roman Catholic Church, a member of a `third order` (see under
holy orders); a lay person who, while marrying and following a normal employment, attempts to live in accordance with a...
Found on
http://www.encyclo.co.uk/local/20688

1. Being of the third formation, order, or rank; third; as, a tertiary use of a word. ... 2. <chemistry> Possessing some quality in the third degree; having been subjected to the substitution of three atoms or radicals; as, a tertiary alcohol, amine, or salt. Cf. Primary, and Secondary. ... 3. <geology> Later than, or subsequent to, the...
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http://www.encyclo.co.uk/local/20973

Ter'ti·a·ry adjective [ Latin tertiarius containing a third part, from tertius third: confer French tertiaire . See Tierce .] 1. Being of the third formation, order, or rank; third; as, a tertiary use of a word. Trench. 2. (Chemistry)
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http://www.encyclo.co.uk/webster/T/31

Geologic period that occurred roughly 1.6 to 65 million years ago. During this period, mammals become a dominant species on the planet.
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http://www.physicalgeography.net/physgeoglos/t.html

An informal sub-era from 65.5 to 2.58 or 1.8 million years ago, depending on how the Quaternary is defined. The Tertiary overlaps with the Neogene Period and is divided into five epochs:
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http://www.scientificpsychic.com/etc/geology-glossary.html

a geological period lsting from 65 to 2 million years ago.
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http://www.seafriends.org.nz/books/glossary.htm

[
n] - from 2 million to 63 million years ago
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http://www.webdictionary.co.uk/definition.php?query=Tertiary

third in order, rank, level, stage, formation, etc
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https://sciencetrek.org/sciencetrek/topics/food_chain/glossary.cfm

the period of geological time between 65 and 1.6 million years ago
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https://www.encyclo.co.uk/local/20800
Tertiary period noun from 63 million to 2 million years ago
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https://www.encyclo.co.uk/local/20974

The first period of the Cenozoic era (after the Mesozoic era and before the Quaternary period), spanning the time between 65 and 1.8 million years ago.
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https://www.encyclo.co.uk/local/21202

In the Roman Catholic Church, a member of a `third order` (see under holy orders); a lay person who, while marrying and following a normal employment, attempts to live in accordance with a modified version of the rule of one of the religious orders. The first such order was founded by St Francis in 1221
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https://www.encyclo.co.uk/local/21221
[SAT terms] coming third in position
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https://www.vocabulary.com/lists/158769
No exact match found.