sinumbraadj.

Etymology: < Latin sine umbrā without a shadow.Previous versions of the OED give the stress as: siˈnumbra.

? Obsolete.

sinumbra lamp n. (see quot. 1852).

ΘΚΠ

the world > matter > light > artificial light > an artificial light > artificial light defined by light-source > [noun] > oil-lamp > sinumbra lamp

sinumbra lamp1834

1834 M. Scott Cruise of Midge iii, in Blackwood's Edinb. Mag. May 606/2 A mild radiance, like that cast by the ground glass globe of a sinumbra lamp.

1852 C. Tomlinson Cycl. Useful Arts (1854) II. 107/1 In Phillips's Sinumbra lamp..the shadow if not destroyed is rendered imperceptible by the peculiar form given to the circular oil vessel.

Derivatives

siˈnumbral adj.

ΚΠ

1839 Civil Engineer & Architect's Jrnl. 2 329/2 Sinumbral and pneumatic fountain lamps.

1854 Lardner's Museum Sci. & Art II. 207 The old English ring-lamp called the Sinumbral lamp.

This entry has not yet been fully updated (first published 1911; most recently modified version published online March 2021).

单词	sinumbra
释义	sinumbraadj. Etymology: < Latin sine umbrā without a shadow.Previous versions of the OED give the stress as: siˈnumbra. ? Obsolete. sinumbra lamp n. (see quot. 1852). ΘΚΠ the world > matter > light > artificial light > an artificial light > artificial light defined by light-source > [noun] > oil-lamp > sinumbra lamp sinumbra lamp1834 1834 M. Scott Cruise of Midge iii, in Blackwood's Edinb. Mag. May 606/2 A mild radiance, like that cast by the ground glass globe of a sinumbra lamp. 1852 C. Tomlinson Cycl. Useful Arts (1854) II. 107/1 In Phillips's Sinumbra lamp..the shadow if not destroyed is rendered imperceptible by the peculiar form given to the circular oil vessel. Derivatives siˈnumbral adj. ΚΠ 1839 Civil Engineer & Architect's Jrnl. 2 329/2 Sinumbral and pneumatic fountain lamps. 1854 Lardner's Museum Sci. & Art II. 207 The old English ring-lamp called the Sinumbral lamp. This entry has not yet been fully updated (first published 1911; most recently modified version published online March 2021). < adj.1834
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