| / English Dictionary |
MAPPING
| Pronunciation (US): |  | (GB): | |
I. (noun)
Sense 1
Meaning:
(genetics) the process of locating genes on a chromosome
Synonyms:
Classified under:
Nouns denoting acts or actions
Hypernyms ("mapping" is a kind of...):
procedure; process (a particular course of action intended to achieve a result)
Domain category:
genetic science; genetics (the branch of biology that studies heredity and variation in organisms)
Derivation:
map (locate within a specific region of a chromosome in relation to known DNA or gene sequences)
Sense 2
Meaning:
(mathematics) a mathematical relation such that each element of a given set (the domain of the function) is associated with an element of another set (the range of the function)
Synonyms:
function; map; mapping; mathematical function; single-valued function
Classified under:
Nouns denoting relations between people or things or ideas
Hypernyms ("mapping" is a kind of...):
mathematical relation (a relation between mathematical expressions (such as equality or inequality))
Domain category:
math; mathematics; maths (a science (or group of related sciences) dealing with the logic of quantity and shape and arrangement)
Hyponyms (each of the following is a kind of "mapping"):
multinomial; polynomial (a mathematical function that is the sum of a number of terms)
expansion (a function expressed as a sum or product of terms)
inverse function (a function obtained by expressing the dependent variable of one function as the independent variable of another; f and g are inverse functions if f(x)=y and g(y)=x)
Kronecker delta (a function of two variables i and j that equals 1 when i=j and equals 0 otherwise)
metric; metric function (a function of a topological space that gives, for any two points in the space, a value equal to the distance between them)
transformation ((mathematics) a function that changes the position or direction of the axes of a coordinate system)
isometry (a one-to-one mapping of one metric space into another metric space that preserves the distances between each pair of points)
operator ((mathematics) a symbol or function representing a mathematical operation)
circular function; trigonometric function (function of an angle expressed as a ratio of the length of the sides of right-angled triangle containing the angle)
threshold function (a function that takes the value 1 if a specified function of the arguments exceeds a given threshold and 0 otherwise)
exponential; exponential function (a function in which an independent variable appears as an exponent)
Derivation:
map (to establish a mapping (of mathematical elements or sets))
II. (verb)
Sense 1
-ing form of the verb map
Context examples:
The team used four observations of Titan made between 2006 and 2011 by Cassini's visual and infrared mapping spectrometer instrument.
(Sunsets on Titan reveal the complexity of hazy exoplanets, NASA)
In fact, since the mapping of the human genome in 2001 it is known that only about 2% is actually translated into proteins.
(Scientists Discover Molecule that Could Reverse Cellular Aging, The Titi Tudorancea Bulletin)
Concept is no longer considered correct, and should not be used except as encountered in mappings and old data. — 2004.
(Obsolete Concept, NCI Thesaurus)
Mapping of the full chromosome set of the nucleus of a cell.
(Karyotyping, NLM, Medical Subject Headings)
Data from Odyssey's Gamma Ray Spectrometer, which is tailor-made for mapping water ice deposits, were also useful.
(NASA's Treasure Map for Water Ice on Mars, NASA)
Linkage-disequilibrium (LD) mapping is useful in identifying genes involved in complex diseases.
(Linkage Disequilibrium Mapping, NCI Thesaurus)
In one crater that is partially sunlit, Dawn's infrared mapping spectrometer confirmed the presence of ice.
(Where is the Ice on Ceres?, NASA)
Researchers from Boston University’s Center for Space Physics set out to solve the mystery by mapping temperatures well above Jupiter’s cloud tops using observations from Earth.
(Jupiter’s Great Red Spot Likely a Massive Heat Source, NASA)
A software application that performs copy number and loss of heterozygosity (LOH) analysis on data from Affymetrix mapping genotyping microarrays.
(Copy Number Analysis Tool, NCI Thesaurus)
Applications include the determination of chromosome rearrangements in malformation syndromes and cancer, the chemistry of chromosome segments, chromosome changes during evolution, and, in conjunction with cell hybridization studies, chromosome mapping.
(Chromosome Banding, NLM, Medical Subject Headings)
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