English Dictionary

induration

/ɪndjʊˈɹeɪʃən/

noun

Hardness. / Process of becoming hard. / (medicine) Hardening of an area of the body as a reaction to inflammation, hyperemia, or neoplastic infiltration.

The induration of the skin can be a symptom of various medical conditions.

意味（1）

Hardness.

The voice was harder than I had known, and not only in stony reaction to long floods of wholly just selfpity, also roughened with gin and smoke, perhaps also assimilated to New York induration, the hardness of culture as well as of pain.

意味（2）

Process of becoming hard.

意味（3）

(medicine) Hardening of an area of the body as a reaction to inflammation, hyperemia, or neoplastic infiltration.

意味（4）

(medicine) An area or part of the body that has undergone such a reaction. Most often this term is used to describe dermatologic findings.

Both erythema and induration appear to be adequate indices of tuberculin sensitivity.

意味（5）

(geology) The quality of non-friability; the extent to which a rock does not crumble; rock strength.

Induration is a measure of rockstrengthand is defined as the ratio of the measured frame modulus to the maximum frame modulus allowed by the Gassmann-Biot model. Spratt, R. S.; Goins, N. R. and Fitch, T. J. (1993) Pseudo-shear — The analysis of AVO. Castagna, John P. and Backus, Milo M. (eds.) Offset-Dependent Reflectivity — Theory and Practice of AVO Analysis. Series: Investigation in Geophysics volume 8. Tulsa : Society of Exploration Geophysicistspp. 37-56, page 37, isbn 978-1-56080-059-0.

意味（6）

(geology) The process of the strengthening of rocks by heating, compaction or cementation, or a combination thereof.

Induration of carbonate rocks proceeds predominately in the early stages (prior to diagenesis) by compaction and expulsion of fluids. Whittaker, Alun (1985) Formation Evaluation: Geological Procedures Dordrecht : Springer Verlag page 104, isbn 978-94-010-8861-9.