nephometern.

Brit.

/nᵻˈfɒmᵻtə/,

/nɛˈfɒmᵻtə/, U.S.

/nəˈfɑmədər/,

/nɛˈfɑmədər/

Origin: A borrowing from Greek, combined with an English element; modelled on a French lexical item. Etymons: Greek νέϕος , -meter comb. form².

Etymology: < ancient Greek νέϕος cloud (see nephology n.) + -meter comb. form², after French néphomètre (L. Besson 1906, in Annuaire de la Soc. Météorol. de France 54 241). Compare earlier nephelometer n.

Meteorology.

An instrument for measuring the extent of cloud cover.

ΘΚΠ

the world > matter > chemistry > chemical assay or analytical chemistry > [noun] > acetimetry > nephelometry > apparatus

nephelometer1895

nephometer1904

1904 School July 61/1 An instrument for measuring the cloud area in the sky at a given time, called the nephometer.

1926 Ecology 7 332 The nephometer..consists of a high-curvature convex mirror 80 cm. in diameter, on which the whole sky is reflected. It is divided by lines into tenths of the entire area, as an aid in computing the degree of nebulosity.

1959 R. E. Huschke Gloss. Meteorol. 388 Nephometer (also called nephelometer), a general term for instruments designed to measure the amount of cloudiness.

This entry has been updated (OED Third Edition, September 2003; most recently modified version published online March 2022).

单词	nephometer
释义	nephometern. Brit. /nᵻˈfɒmᵻtə/, /nɛˈfɒmᵻtə/, U.S. /nəˈfɑmədər/, /nɛˈfɑmədər/ Origin: A borrowing from Greek, combined with an English element; modelled on a French lexical item. Etymons: Greek νέϕος , -meter comb. form². Etymology: < ancient Greek νέϕος cloud (see nephology n.) + -meter comb. form², after French néphomètre (L. Besson 1906, in Annuaire de la Soc. Météorol. de France 54 241). Compare earlier nephelometer n. Meteorology. An instrument for measuring the extent of cloud cover. ΘΚΠ the world > matter > chemistry > chemical assay or analytical chemistry > [noun] > acetimetry > nephelometry > apparatus nephelometer1895 nephometer1904 1904 School July 61/1 An instrument for measuring the cloud area in the sky at a given time, called the nephometer. 1926 Ecology 7 332 The nephometer..consists of a high-curvature convex mirror 80 cm. in diameter, on which the whole sky is reflected. It is divided by lines into tenths of the entire area, as an aid in computing the degree of nebulosity. 1959 R. E. Huschke Gloss. Meteorol. 388 Nephometer (also called nephelometer), a general term for instruments designed to measure the amount of cloudiness. This entry has been updated (OED Third Edition, September 2003; most recently modified version published online March 2022). < n.1904
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