| Library / English Dictionary |
RANDOM
| Pronunciation (US): |  | (GB): | |
I. (adjective)
Sense 1
Meaning:
Lacking any definite plan or order or purpose; governed by or depending on chance
Example:
random movements
Classified under:
Similar:
ergodic (positive recurrent aperiodic state of stochastic systems; tending in probability to a limiting form that is independent of the initial conditions)
haphazard; hit-or-miss (dependent upon or characterized by chance)
stochastic (being or having a random variable)
Antonym:
nonrandom (not random)
Derivation:
randomness (the quality of lacking any predictable order or plan)
Context examples:
Chi-square test is a statistical test for testing the null hypothesis that the distribution of a discrete random variable coincides with a given distribution.
(Chi-Square Test, NCI Thesaurus)
It can run in families, but usually it strikes at random.
(Amyotrophic Lateral Sclerosis, NIH: National Institute of Neurological Disorders and Stroke)
Methods for building collections of cloned DNA consisting of DNA copies of all the mRNAs produced by a cell type. cDNAs are generated using reverse transcriptase and either an oligo-dT or random primer.
(cDNA Library Construction, NCI Thesaurus)
Combinatorial synthesis is not random, but systematic and repetitive, using sets of chemical "building blocks" to form a diverse set of molecular entities.
(Combinatorial Synthesis, NCI Thesaurus)
Evaluating a device for problems resulting from periodic or random mechanical oscillations which could induce damage.
(Device Vibration Testing Evaluation Method, Food and Drug Administration)
A gene duplication abnormality may occur by gene amplification, random breakage and reunion, retrotransposition or unequal crossing-over at meiosis.
(Gene Duplication Abnormality, NCI Thesaurus)
Linkage disequilibrium (LD) mapping is a procedure for determining the non-random association of alleles at two or more loci on a chromosome.
(Linkage Disequilibrium Mapping, NCI Thesaurus)
The single-tailed probability distribution of any random variable whose logarithm is normally distributed.
(Log Normal Distribution, NCI Thesaurus)
Location of the integration of the engineered gene e.g. random or targeted.
(Integration Type, NCI Thesaurus)
Additional diversity is attained by junctional diversity, resulting from the random additional of nucleotides by terminal deoxynucleotidyltransferase, and by somatic hypermutation, which occurs during B cell maturation in the spleen and lymph nodes.
(Immunoglobulin Heavy Locus, NCI Thesaurus/LocusLink)
