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Bivalency
Bivalency Biv"a*len*cy, n. (Chem.)
The quality of being bivalent.
BivalentBivalent Biv"a*lent, a. [L. bis twice + valens, p. pr. See
Valence.] (Chem.)
Equivalent in combining or displacing power to two atoms of
hydrogen; dyad. DivalentDivalent Div"a*lent, a. [Pref. di- + L. valens, valentis, p.
pr. See Valence.] (Chem.)
Having two units of combining power; bivalent. Cf. Valence. Equivalence
Equivalence E*quiv"a*lence, v. t.
To be equivalent or equal to; to counterbalance. [R.] --Sir
T. Browne.
EquivalencyEquivalency E*quiv"a*len*cy, n.
Same as Equivalence. Equivalent
Equivalent E*quiv"a*lent, n.
1. Something equivalent; that which is equal in value, worth,
weight, or force; as, to offer an equivalent for damage
done.
He owned that, if the Test Act were repealed, the
Protestants were entitled to some equivalent. . . .
During some weeks the word equivalent, then lately
imported from France, was in the mouths of all the
coffeehouse. --Macaulay.
2. (Chem.) That comparative quantity by weight of an element
which possesses the same chemical value as other elements,
as determined by actual experiment and reference to the
same standard. Specifically:
(a) The comparative proportions by which one element
replaces another in any particular compound; thus, as
zinc replaces hydrogen in hydrochloric acid, their
equivalents are 32.5 and 1.
(b) The combining proportion by weight of a substance, or
the number expressing this proportion, in any
particular compound; as, the equivalents of hydrogen
and oxygen in water are respectively 1 and 8, and in
hydric dioxide 1 and 16.
Equivalent
Equivalent E*quiv"a*lent, v. t.
To make the equivalent to; to equal; equivalence. [R.]
Equivalently
Equivalently E*quiv"a*lent*ly, adv.
In an equal manner.
Gram equivalentGram Gram, Gramme Gramme, n. [F. gramme, from Gr. ? that
which is written, a letter, a small weight, fr. ? to write.
See Graphic.]
The unit of weight in the metric system. It was intended to
be exactly, and is very nearly, equivalent to the weight in a
vacuum of one cubic centimeter of pure water at its maximum
density. It is equal to 15.432 grains. See Grain, n., 4.
Gram degree, or Gramme degree (Physics), a unit of heat,
being the amount of heat necessary to raise the
temperature of one gram of pure water one degree
centigrade.
Gram equivalent (Electrolysis), that quantity of the metal
which will replace one gram of hydrogen. HeptavalentHeptavalent Hep*tav"a*lent, a. [Hepta- + L. valens, p. pr. See
Valence.] (Chem.)
Having seven units of attractive force or affinity; -- said
of heptad elements or radicals. HexavalentHexavalent Hex*av"a*lent, a. [Hexa- + L. valens, -entis, p.
pr. See Valence.] (Chem.)
Having a valence of six; -- said of hexads. Imprevalence
Imprevalence Im*prev"a*lence, Imprevalency Im*prev"a*len*cy,
n.
Want of prevalence. [Obs.]
Imprevalency
Imprevalence Im*prev"a*lence, Imprevalency Im*prev"a*len*cy,
n.
Want of prevalence. [Obs.]
MonovalentMonovalent Mo*nov"a*lent, a. [Mono- + L. valens, p. pr. See
Valence.] (Chem.)
Having a valence of one; univalent. See Univalent. Multivalence
Multivalence Mul*tiv"a*lence, n. (Chem.)
Quality, state, or degree, of a multivalent element, atom, or
radical.
MultivalentMultivalent Mul*tiv"a*lent, a. [Multi- + L. valens, p. pr. See
Valence.] (Chem.)
(a) Having a valence greater than one, as silicon.
(b) Having more than one degree of valence, as sulphur. OctavalentOctavalent Oc*tav"a*lent, a. [Octa- + L. valens, p. pr. See
Valence.] (Chem.)
Having a valence of eight; capable of being combined with,
exchanged for, or compared with, eight atoms of hydrogen; --
said of certain atoms or radicals. Omniprevalent
Omniprevalent Om`ni*prev"a*lent, a. [Omni- + prevalent.]
Prevalent everywhere or in all things. --Fuller.
PentavalentPentavalent Pen*tav"a*lent, a. [Penta- + L. valens, p. pr. See
Valence.] (Chem.)
Having a valence of five; -- said of certain atoms and
radicals. PolyvalentPolyvalent Po*lyv"a*lent, a. [Poly- + L. valens, p. pr. See
Valent.] (Chem.)
Multivalent. PrevalencyPrevalency Prev"a*len*cy, n.
See Prevalence. PrevalentPrevalent Prev"a*lent, a. [L. praevalens, -entis, p. pr. of
praevalere. See Prevail.]
1. Gaining advantage or superiority; having superior force,
influence, or efficacy; prevailing; predominant;
successful; victorious.
Brennus told the Roman embassadors, that prevalent
arms were as good as any title. --Sir W.
Raleigh.
2. Most generally received or current; most widely adopted or
practiced; also, generally or extensively existing;
widespread; prevailing; as, a prevalent observance;
prevalent disease.
This was the most received and prevalent opinion.
--Woodward.
Syn: Prevailing; predominant; successful; efficacious;
powerful.
Usage: Prevalent, Prevailing. What customarily prevails
is prevalent; as, a prevalent fashion. What actually
prevails is prevailing; as, the prevailing winds are
west. Hence, prevailing is the livelier and more
pointed word, since it represents a thing in action.
It is sometimes the stronger word, since a thing may
prevail sufficiently to be called prevalent, and yet
require greater strength to make it actually
prevailing. Prevalently
Prevalently Prev"a*lent"ly, adv.
In a prevalent manner. --Prior.
Quadrivalence
Quadrivalence Quad*riv"a*lence, n. (Chem.)
The quality or state of being quadrivalent; tetravalence.
QuadrivalentQuadrivalent Quad*riv"a*lent, a. [Quadri- + L. valens, -entis,
p. pr. See Valence.] (Chem.)
Having a valence of four; capable of combining with, being
replaced by, or compared with, four monad atoms; tetravalent;
-- said of certain atoms and radicals; thus, carbon and
silicon are quadrivalent elements. Quantivalence
Quantivalence Quan*tiv"a*lence, n. [L. quantus how much + E.
valence.] (Chem.)
Valence. [Archaic]
Quantivalent
Quantivalent Quan*tiv"a*lent, a. (Chem.)
Of or pertaining to quantivalence. [Archaic]
QuinquivalentQuinquivalent Quin*quiv"a*lent, a. [Quinque- + L. valens,
-entis, p. pr. See Valence.] (Chem.)
Same as Pentavalent. SexavalentSexavalent Sex*av"a*lent, a.
See Sexivalent. [R.] SexivalentSexivalent Sex*iv"a*lent, a. [Sex- + L. valens, p. pr. See
Valence.] (hem.)
Hexavalent. [R.]
Meaning of Valen from wikipedia
-
Valen may
refer to:
Valen, Bindal, a
fjord in the muni****lity of
Bindal in
Nordland county,
Norway Valen, Kvinnherad, a
village in the muni****lity of...
-
Ritchie Valens, was an
American guitarist,
singer and songwriter. A rock and roll
pioneer and a
forefather of the
Chicano rock movement,
Valens died in...
-
Valen is a surname.
Notable people with the
surname include:
Anita Valen (born 1968),
Norwegian cyclist ****ein
Valen (1887–1952),
Norwegian composer...
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Valens (Ancient Gr****: Ουάλης, romanized: Ouálēs; 328 – 9
August 378) was
Roman emperor from 364 to 378.
Following a
largely unremarkable military career...
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Nancy Valen (born
December 14, 1965) is an
American actress and
television producer. She is best
known for
portraying Captain Samantha Thomas on Baywatch...
-
Leigh Van
Valen (August 12, 1935 –
October 16, 2010) was an
American evolutionary biologist. At the time of his death, he was
professor emeritus in the...
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Girls Choir (Sandefjord Jentekor), Bel Canto-koret, the
Valen Choir (
Valen-koret) and
Valens Solistensemble, many of
which have won
awards and toured...
-
Valen, is a
Spanish professional footballer who
plays mainly as a
right winger for UD Almería B. Born in Parrillas, Toledo, Castilla–La Mancha,
Valen...
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Valen is an
small fjord that
branches off of the
larger Kjella fjord in
Bindal Muni****lity in
Nordland county, Norway. It gets its name from the village...
-
Pinarius Valens was a
Roman nobleman mentioned in the
Historia Augusta as an
older relative of Pupienus, whom the
Senate elected co-emperor with Balbinus...
