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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 ?
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.
If you include Z's own in-house projects, Dower estimates that over the next three years, some 30 new works will be at various stages of development at Z.
We are made witness here to a number of multivalenced and deeply moving dialogues: between Z and Arnprudhur, of course, but also between Z's letters and Anna's poems and, by remove, between Z and Anna themselves, each having shared a love, each knowing what the other will do on this last, cold winter night.
Quilt half-circles over the blue patches in the block Z's approximately \W apart as shown.
But Jay Z's deep music ties could help distinguish Tidal from its rivals.
For Coach Z's Appliance Repair, appearing in the rankings of Google, Bing, and other major search engines is imperative for staying competitive in the digital age.
Through the song, Liv has portrayed herself as a victim of Jay Z's advances and his wife's jealousy.
The PSTN is owned by Z and is not dedicated to A or to any of Z's other customers.
Don't fool yourself into thinking that you'll catch a few z's while "reclining" in that comfy, coach seat.
They will also pay for Z's medical testing and care, for her psychological testing and consultations as needed, and for two lawyers, one for themselves and one for Z, who will negotiate and prepare a written contract that will set the parameters of Z's relationship with the infertile couple.