poroscopen.

Brit.

/ˈpɒrəskəʊp/,

/ˈpɔːrəskəʊp/, U.S.

/ˈpɔrəˌskoʊp/

Forms: 1800s– poroscope, 1900s poroskop.

Origin: Formed within English, by compounding. Etymons: poro- comb. form, -scope comb. form.

Etymology: < poro- comb. form + -scope comb. form.

Now rare.

An instrument for measuring the degree of porosity.A proprietary name in the United States.

ΚΠ

1893 Science 11 Aug. 71/2 There are dynamometers..; a poroscope; root-pressure appliances, and many smaller pieces, which are quantitative in their results.

1902 A. H. Buck Ref. Handbk. Med. Sci. (rev. ed.) IV. 768/2 For exact determinations the use of a poroskop, or gasometer and manometer becomes necessary.

1982 Official Gaz. (U.S. Patent Office) 23 Feb. tm220/1 Poroscope. For electronic measuring instruments—namely, DC porosity holiday testers for measuring the properties of layers having a thickness in the range of 0.1 micrometers to 4 decimeters... First use 1968.

1991 Highway & Heavy Constr. (Nexis) 15 Jan. 29 James Instruments offers its Poroscope for measuring concrete permeability.

This entry has been updated (OED Third Edition, December 2006; most recently modified version published online March 2022).

单词	poroscope
释义	poroscopen. Brit. /ˈpɒrəskəʊp/, /ˈpɔːrəskəʊp/, U.S. /ˈpɔrəˌskoʊp/ Forms: 1800s– poroscope, 1900s poroskop. Origin: Formed within English, by compounding. Etymons: poro- comb. form, -scope comb. form. Etymology: < poro- comb. form + -scope comb. form. Now rare. An instrument for measuring the degree of porosity.A proprietary name in the United States. ΚΠ 1893 Science 11 Aug. 71/2 There are dynamometers..; a poroscope; root-pressure appliances, and many smaller pieces, which are quantitative in their results. 1902 A. H. Buck Ref. Handbk. Med. Sci. (rev. ed.) IV. 768/2 For exact determinations the use of a poroskop, or gasometer and manometer becomes necessary. 1982 Official Gaz. (U.S. Patent Office) 23 Feb. tm220/1 Poroscope. For electronic measuring instruments—namely, DC porosity holiday testers for measuring the properties of layers having a thickness in the range of 0.1 micrometers to 4 decimeters... First use 1968. 1991 Highway & Heavy Constr. (Nexis) 15 Jan. 29 James Instruments offers its Poroscope for measuring concrete permeability. This entry has been updated (OED Third Edition, December 2006; most recently modified version published online March 2022). < n.1893
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