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Tertiary (/ˈtɜːr.ʃə.ri, ˈtɜːr.ʃiˌɛr.i/ TUR-shə-ree, TUR-shee-err-ee) is a
widely used but
obsolete term for the
geologic period from 66 million to 2.6 million...
- A
tertiary source is an
index or
textual consolidation of
primary and
secondary sources. Some
tertiary sources can be used as an aid to find
other sources...
- The
tertiary sector of the economy,
generally known as the
service sector, is the
third of the
three economic sectors of the three-sector theory, (also...
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Tertiary education, also
referred to as third-level, third-stage or post-secondary education, is the
educational level following the
completion of secondary...
- A
tertiary color or
intermediate color is a
color made by
mixing full
saturation of one
primary color with half
saturation of
another primary color and...
- A
tertiary carbon atom is a
carbon atom
bound to
three other carbon atoms. For this reason,
tertiary carbon atoms are
found only in
hydrocarbons containing...
- A
tertiary referral hospital (also
called a
tertiary hospital,
tertiary referral center,
tertiary care center, or
tertiary center) is a
hospital that provides...
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subject of this
article include primary (RCH2OH),
secondary (R2CHOH) and
tertiary (R3COH) alcohols. The
suffix -ol
appears in the
IUPAC chemical name of...
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while an
example of an
aromatic amine would be diphenylamine.
Tertiary (3°) amines—In
tertiary amines,
nitrogen has
three organic substituents.
Examples include...
- -lee-oh-; also
spelled Palaeogene or Palæogene;
informally Lower Tertiary or
Early Tertiary) is a
geologic period and
system that
spans 43
million years from...
