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primary alcohol
【化】 伯醇; 一级醇
【医】 伯醇
【医】 伯醇
Primary \Pri"ma*ry\, a. [L. primarius, fr. primus first: cf. F.
primaire. See {Prime}, a., and cf. {Premier}, {Primero}.]
1. First in order of time or development or in intention;
primitive; fundamental; original.
The church of Christ, in its primary institution.
--Bp. Pearson.
These I call original, or primary, qualities of
body. --Locke.
2. First in order, as being preparatory to something higher;
as, primary assemblies; primary schools.
3. First in dignity or importance; chief; principal; as,
primary planets; a matter of primary importance.
4. (Geol.) Earliest formed; fundamental.
5. (Chem.) Illustrating, possessing, or characterized by,
some quality or property in the first degree; having
undergone the first stage of substitution or replacement.
{Primary alcohol} (Organic Chem.), any alcohol which possess
the group {CH2.OH}, and can be oxidized so as to form a
corresponding aldehyde and acid having the same number of
carbon atoms; -- distinguished from {secondary & tertiary
alcohols}.
{Primary amine} (Chem.), an amine containing the amido group,
or a derivative of ammonia in which only one atom of
hydrogen has been replaced by a basic radical; --
distinguished from {secondary & tertiary amines}.
{Primary amputation} (Surg.), an amputation for injury
performed as soon as the shock due to the injury has
passed away, and before symptoms of inflammation
supervene.
{Primary axis} (Bot.), the main stalk which bears a whole
cluster of flowers.
{Primary colors}. See under {Color}.
{Primary meeting}, a meeting of citizens at which the first
steps are taken towards the nomination of candidates, etc.
See {Caucus}.
{Primary pinna} (Bot.), one of those portions of a compound
leaf or frond which branch off directly from the main
rhachis or stem, whether simple or compounded.
{Primary planets}. (Astron.) See the Note under {Planet}.
{Primary qualities of bodies}, such are essential to and
inseparable from them.
{Primary quills} (Zo["o]l.), the largest feathers of the wing
of a bird; primaries.
{Primary rocks} (Geol.), a term early used for rocks supposed
to have been first formed, being crystalline and
containing no organic remains, as granite, gneiss, etc.;
-- called also {primitive rocks}. The terms Secondary,
Tertiary, and Quaternary rocks have also been used in like
manner, but of these the last two only are now in use.
{Primary salt} (Chem.), a salt derived from a polybasic acid
in which only one acid hydrogen atom has been replaced by
a base or basic radical.
{Primary syphilis} (Med.), the initial stage of syphilis,
including the period from the development of the original
lesion or chancre to the first manifestation of symptoms
indicative of general constitutional infection.
{Primary union} (Surg.), union without suppuration; union by
the first intention.
primaire. See {Prime}, a., and cf. {Premier}, {Primero}.]
1. First in order of time or development or in intention;
primitive; fundamental; original.
The church of Christ, in its primary institution.
--Bp. Pearson.
These I call original, or primary, qualities of
body. --Locke.
2. First in order, as being preparatory to something higher;
as, primary assemblies; primary schools.
3. First in dignity or importance; chief; principal; as,
primary planets; a matter of primary importance.
4. (Geol.) Earliest formed; fundamental.
5. (Chem.) Illustrating, possessing, or characterized by,
some quality or property in the first degree; having
undergone the first stage of substitution or replacement.
{Primary alcohol} (Organic Chem.), any alcohol which possess
the group {CH2.OH}, and can be oxidized so as to form a
corresponding aldehyde and acid having the same number of
carbon atoms; -- distinguished from {secondary & tertiary
alcohols}.
{Primary amine} (Chem.), an amine containing the amido group,
or a derivative of ammonia in which only one atom of
hydrogen has been replaced by a basic radical; --
distinguished from {secondary & tertiary amines}.
{Primary amputation} (Surg.), an amputation for injury
performed as soon as the shock due to the injury has
passed away, and before symptoms of inflammation
supervene.
{Primary axis} (Bot.), the main stalk which bears a whole
cluster of flowers.
{Primary colors}. See under {Color}.
{Primary meeting}, a meeting of citizens at which the first
steps are taken towards the nomination of candidates, etc.
See {Caucus}.
{Primary pinna} (Bot.), one of those portions of a compound
leaf or frond which branch off directly from the main
rhachis or stem, whether simple or compounded.
{Primary planets}. (Astron.) See the Note under {Planet}.
{Primary qualities of bodies}, such are essential to and
inseparable from them.
{Primary quills} (Zo["o]l.), the largest feathers of the wing
of a bird; primaries.
{Primary rocks} (Geol.), a term early used for rocks supposed
to have been first formed, being crystalline and
containing no organic remains, as granite, gneiss, etc.;
-- called also {primitive rocks}. The terms Secondary,
Tertiary, and Quaternary rocks have also been used in like
manner, but of these the last two only are now in use.
{Primary salt} (Chem.), a salt derived from a polybasic acid
in which only one acid hydrogen atom has been replaced by
a base or basic radical.
{Primary syphilis} (Med.), the initial stage of syphilis,
including the period from the development of the original
lesion or chancre to the first manifestation of symptoms
indicative of general constitutional infection.
{Primary union} (Surg.), union without suppuration; union by
the first intention.
primary alcohol
primary aldosteronism
primary algebra
primary algorithm
primary aliphatic amine
primary alkalosis
primary alkyl peroxide
primary allegation
primary allergen
primary allometrosis
primary aluminium
primary aluminium pig
primary amebic mening...
primary amenorrhea
primary amide
primary amine
primary amniotic cavity
primary amplitude
primary amputation
primary amyl alcohol
primary amyloid degen...
primary amyloidosis
primary anal opening
primary anemia
primary anesthesia
primary angle-closure...
primary annulus
primary antenna
primary anus
primary application
primary application b...
primary application b...
primary application p...
primary aquatic plant
primary arc
primary arcus
primary area
primary area of opera...
primary armament
primary arsenate
primary articulator
primary assembly
primary assessor
primary association
primary atelectasis
primary atom
primary atrial septal...
primary atrophy and d...
primary attachment
primary attachment ep...
primary attribute
primary atypical pneu...
primary atypicall pne...
primary audit evidence
primary audit objective
primary auditor
primary auditory cortex
primary austenite
primary autopilot
primary axis
primary aldosteronism
primary algebra
primary algorithm
primary aliphatic amine
primary alkalosis
primary alkyl peroxide
primary allegation
primary allergen
primary allometrosis
primary aluminium
primary aluminium pig
primary amebic mening...
primary amenorrhea
primary amide
primary amine
primary amniotic cavity
primary amplitude
primary amputation
primary amyl alcohol
primary amyloid degen...
primary amyloidosis
primary anal opening
primary anemia
primary anesthesia
primary angle-closure...
primary annulus
primary antenna
primary anus
primary application
primary application b...
primary application b...
primary application p...
primary aquatic plant
primary arc
primary arcus
primary area
primary area of opera...
primary armament
primary arsenate
primary articulator
primary assembly
primary assessor
primary association
primary atelectasis
primary atom
primary atrial septal...
primary atrophy and d...
primary attachment
primary attachment ep...
primary attribute
primary atypical pneu...
primary atypicall pne...
primary audit evidence
primary audit objective
primary auditor
primary auditory cortex
primary austenite
primary autopilot
primary axis
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