† phaometern.

Origin: A borrowing from Greek, combined with an English element. Etymons: Greek ϕάος , -meter comb. form².

Etymology: < ancient Greek ϕάος light ( < an extended form of the Indo-European base of ϕαίνειν to show, appear: see -phane comb. form) + -meter comb. form².Corresponding use in French by Buffon (see quot. 1747) has not been traced. N.E.D. (1906) gives the pronunciation as (feˌǫ·mĭtəɹ) /feɪˈɒmɪtə(r)/.

Obsolete.

An instrument for measuring the intensity of light; a photometer.

ΘΚΠ

the world > physical sensation > sight and vision > optical instruments > instruments for measuring > [noun] > light or radiation

phaometer1747

photometer1779

diaphanometer1789

lucimeter1825

refractometer1842

Abbe refractometer1876

dietheroscope1877

reflectometer1879

radiomicrometer1887

holophotometer1888

flicker photometer1896

microphotometer1899

diffractometer1909

spot meter1952

photopolarimeter1971

1747 Philos. Trans. (Royal Soc.) 44 495 M. de Buffon, being asked if it might be possible to invent a Phaometer, or Machine for measuring the Intensity of Light.

This entry has been updated (OED Third Edition, December 2005; most recently modified version published online March 2020).

单词	phaometer
释义	† phaometern. Origin: A borrowing from Greek, combined with an English element. Etymons: Greek ϕάος , -meter comb. form². Etymology: < ancient Greek ϕάος light ( < an extended form of the Indo-European base of ϕαίνειν to show, appear: see -phane comb. form) + -meter comb. form².Corresponding use in French by Buffon (see quot. 1747) has not been traced. N.E.D. (1906) gives the pronunciation as (feˌǫ·mĭtəɹ) /feɪˈɒmɪtə(r)/. Obsolete. An instrument for measuring the intensity of light; a photometer. ΘΚΠ the world > physical sensation > sight and vision > optical instruments > instruments for measuring > [noun] > light or radiation phaometer1747 photometer1779 diaphanometer1789 lucimeter1825 refractometer1842 Abbe refractometer1876 dietheroscope1877 reflectometer1879 radiomicrometer1887 holophotometer1888 flicker photometer1896 microphotometer1899 diffractometer1909 spot meter1952 photopolarimeter1971 1747 Philos. Trans. (Royal Soc.) 44 495 M. de Buffon, being asked if it might be possible to invent a Phaometer, or Machine for measuring the Intensity of Light. This entry has been updated (OED Third Edition, December 2005; most recently modified version published online March 2020). < n.1747
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