ATTENUATION

Pronunciation (US):

(GB):

 Dictionary entry overview: What does attenuation mean? 

• ATTENUATION (noun)
  The noun ATTENUATION has 2 senses:

1. weakening in force or intensity

2. the property of something that has been weakened or reduced in thickness or density

  Familiarity information: ATTENUATION used as a noun is rare.

 Dictionary entry details 

• ATTENUATION (noun)

Sense 1

Meaning:

Weakening in force or intensity

Classified under:

Nouns denoting natural events

Synonyms:

attenuation; fading

Context example:

attenuation in the volume of the sound

Hypernyms ("attenuation" is a kind of...):

weakening (becoming weaker)

Derivation:

attenuate (become weaker, in strength, value, or magnitude)

Sense 2

Meaning:

The property of something that has been weakened or reduced in thickness or density

Classified under:

Nouns denoting attributes of people and objects

Hypernyms ("attenuation" is a kind of...):

weakness (the property of lacking physical or mental strength; liability to failure under pressure or stress or strain)

Derivation:

attenuate (weaken the consistency of (a chemical substance))

 Context examples 

The referenced information was used to correct the data for differential attenuation through different anatomic tissue.

(For Attenuation Correction, NCI Thesaurus/DICOM)

This protein plays a role in the mediation of amino acid transport and the attenuation of synaptic signaling.

(Excitatory Amino Acid Transporter 2, NCI Thesaurus)

This allele, which encodes diacylglycerol kinase alpha protein, plays a role in lipid phosphorylation and the attenuation of second messenger signaling.

(DGKA wt Allele, NCI Thesaurus)

This allele, which encodes guanine nucleotide-binding protein G(i), alpha-2 subunit, plays a role in the attenuation of adenylate cyclase signaling.

(GNAI2 wt Allele, NCI Thesaurus)

Term given to the dimensions of the quantifier of x-ray attenuation, CT number.

(Hounsfield Unit, NCI Thesaurus)

This allele, which encodes NF-kappa-B inhibitor beta protein, is involved in the attenuation of the nuclear factor kappa B complex signaling pathway.

(NFKBIB wt Allele, NCI Thesaurus)

This allele, which encodes neurofibromin protein, may be involved in the attenuation of Ras signal pathway.

(NF1 wt Allele, NCI Thesaurus)

This allele, which encodes matrix G1a-protein, plays a role in the attenuation of bone formation.

(MGP wt Allele, NCI Thesaurus)

This allele, which encodes death domain-associated protein 6, is involved in transcriptional attenuation.

(DAXX wt Allele, NCI Thesaurus)

A normalized quantifier of the attenuation coefficient which is imaged in a CT scanner.

(CT Number, NCI Thesaurus)