Dictionary » U » Unit



1. A single thing or person.

2. (Science: mathematics) The least whole number; one. Units are the integral parts of any large number. (I. Watts)

3. A gold coin of the reign of James I, of the value of twenty shillings.

4. Any determinate amount or quantity (as of length, time, heat, value) adopted as a standard of measurement for other amounts or quantities of the same kind.

5. (Science: mathematics) A single thing, as a magnitude or number, regarded as an undivided whole. Abstract unit, the unit of numeration; one taken in the abstract; the number represented by 1. The term is used in distinction from concrete, or determinate, unit, that is, a unit in which the kind of thing is expressed; a unit of measure or value; as 1 foot, 1 dollar, 1 pound, and the like.

Complex unit, an imaginary number of the form a _ b-1, when a^2 _ b^2 = 1. Duodecimal unit, a unit in the scale of numbers increasing or decreasing by twelves. Fractional unit, the unit of a fraction; the reciprocal of the denominator; thus, 1/4 is the unit of the fraction 3/4. Integral unit, the unit of integral numbers, or 1. Physical unit, a value or magnitude conventionally adopted as a unit or standard in physical measurements. The various physical units are usually based on given units of length, mass, and time, and on the density or other properties of some substance, for example, water. See Dyne, Erg, Farad, Ohm, Poundal, etc.

(Science: biology) Unit deme, stress per unit of area; intensity of stress. It is expressed in ounces, pounds, tons, etc, per square inch, square foot, or square yard, etc, or in atmospheres, or inches of mercury or water, or the like.

Origin: Abbrev. From unity.

Please contribute to this project, if you have more information about this term feel free to edit this page

Results from our forum

A dilution question about RNA

... the pellet in 50 uL water. I ve measured the concentration and it was 3313 ng/uL (Around 165 ug). Now my next step is DNase treatment. It says 1 unit of enzyme for 1 ug of RNA in 10 ul reaction mix. I would like to dilute my RNA to 100 ug and use 100 unite enzyme in 1000 uL reaction mix. Is this ...

See entire post
by golgicik
Mon Feb 03, 2014 6:30 pm
Forum: Molecular Biology
Topic: A dilution question about RNA
Replies: 1
Views: 832

how are genes the unit of replication?

Hi, question here, and I hope I phrase this correctly: I understand that genes are the unit of replication in natural selection. But aren't traits ultimately stored in groups of genes? And is it not traits that are selected? So, if it's traits that are selected, how ...

See entire post
by johnkq
Wed Jan 29, 2014 1:58 pm
Forum: Genetics
Topic: how are genes the unit of replication?
Replies: 2
Views: 1531

How to calculate the transpiration rate based on exp. data

... on the rate of transpiration of plant. Here are the data obtained. My problem is how can I calculate the transpiration rate which end up with a unit of " g/cm2/minute " ? The type of potometer used can be see here: http://bit.ly/1gGUdqs Thanks.

See entire post
by tancheeping
Mon Dec 09, 2013 12:49 pm
Forum: Botany Discussion
Topic: How to calculate the transpiration rate based on exp. data
Replies: 0
Views: 1048

The Selfish Gene

... argues that it is the genes who are 'competing' to survive, does he not? But what exactly is a gene? My understanding was it was the hereditary unit of information in an organism (in each cell?), and genes tell an organism how to form, what traits and characters it should have. But a gene is ...

See entire post
by NathanCroftonBond
Fri Nov 01, 2013 1:07 am
Forum: Evolution
Topic: The Selfish Gene
Replies: 2
Views: 2099

Re:When is it okay to call a scientist a whore?

... that he sends his apologies and that fair action must be taken to prevent this incident from happening again. How in any way can this biological unit give an ethical reason for his behaviour? Original response: I'd fire him. He was drunk? I'd fire him. He didn't get laid last night? I'd fire ...

See entire post
by SJH
Sun Oct 13, 2013 1:46 am
Forum: General Discussion
Topic: When is it okay to call a scientist a whore?
Replies: 79
Views: 77921
View all matching forum results

This page was last modified 21:16, 3 October 2005. This page has been accessed 11,575 times. 
What links here | Related changes | Permanent link