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number

 [num´ber]
a symbol, as a figure or word, expressive of a certain value or a specified quantity determined by count.
atomic number (Z) a number expressive of the number of protons in an atomic nucleus, or the positive charge of the nucleus expressed in terms of the electronic charge.
Avogadro's number (N) (NA) the number of molecules in one mole of a substance: 6.023 × 1023. Called also Avogadro's constant.
CT number the density assigned to a voxel in a CAT scan on an arbitrary scale on which air has a density −1000; water, 0; and compact bone +1000. See also hounsfield unit.
mass number (A) the number of nucleons (protons plus neutrons) in the atom of a nuclide; generally indicated by a superscript preceding the symbol of a chemical element (e.g., 131I), denoting a specific isotope.
oxidation number a number assigned to each atom in a molecule or ion that represents the number of electrons theoretically gained (positive oxidation numbers) or lost (negative numbers) in converting the atom to the elemental form.

Z

Abbreviation for benzyloxycarbonyl (carbobenzoxy-); symbol for an amino acid that is either glutamic acid, glutamine, or a substance that yields glutamic acid on acid hydrolysis of peptides (for example, 4-carboxyglutamate or 5-oxyproline); carbobenzoxy; in italics, zusammen.

Z

Abbreviation for atomic number.

z

Abbreviation for zepto-.

Z

/Z / atomic number; impedance.

Z

Symbol for:
1. Atomic number.
2. Aza–a nucleoside substitite.
3. Glutamic acid and glutamine.
4. Impedance.
5. Drug slang A street term for 1 ounce–
28 g. of heroin.
6. Net charge.
7. Proton number.
8. Zone.

Z

Abbreviation for benzyloxycarbonyl; atomic number.

z

Abbreviation for zepto-.

Z

abbrev. for either GLUTAMINE (Q) or GLUTAMIC ACID (E) where the amino acid residue in the protein cannot be distinguished as Q or E or varies between Q and E.
References in periodicals archive ?
Based in Sun Prairie, WI, Coach Z's Appliance Repair LLC is a fully insured appliance repair company serving Madison and the surrounding area.
As with most of the night, Jay Z's verse -- which comes during the bridge of the song -- was the dominating performance.
First, regarding Issue 2 in Situation 1, notwithstanding that the check-the-box regulations and Dover would treat Z's deemed liquidation as an actual distribution of Z's assets and liabilities to X and Y, no portion of the Z liabilities were deemed to be extinguished as a result of the deemed liquidation.
Z's beliefs and behavior before her injury points to a particular result.
Z's dedicated circuit comprises Z's equipment, including fiber optic or copper cable and point-of-presence equipment, and dedicated or shared equipment.
In the process of drafting and negotiating the contract, Z's attorney learns that the infertile couple wants Z to undergo genetic testing for certain abnormalities and disorders: cystic fibrosis, fragile X, thalassemia, and a karyotype.
Already, scientists have made four tests of Z's ability to squeeze capsules of hydrogen fuel placed inside the wire cages.
But according to the latest report, Jay Z's cheating scandals have come out in open leading to their break up.
Example 1: Pursuant to Country Q's merger statutes, Corporation Z and Corporation Y, each incorporated under the laws of Q, combine in a transaction in which all of Z's assets become assets of Y, and, in the transaction, Z ceases its separate legal existence.
Boys and girls can be fashionable while catching their Z's in a variety of fun prints and winter hues.
Beyonce's little sister Solange is planning to write a tell-all book on her family secrets and it will also include some details about Beyonce and Jay Z's "troubled" marriage, (http://mediatakeout.
Z's ``Mediterranean'' offering with pesto, Kalamata olives, sun-dried tomatoes, roasted peppers, eggplant and a restrained sprinkling of feta cheese answers this yearning admirably.