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
随便看	sweet amber sweet and sour sweet as pie sweet ash sweet ballocks sweet band sweet basil sweet bay sweet bay laurel supernaculums supernal supernalist supernality supernally supernatancy supernatant supernatants supernatation supernate supernation supernational supernationalism supernationalist supernationality supernations