sinumbra lamp

or si·num·bral lamp

[ si-nuhm-bruh ]
/ sɪˈnʌm brə /

noun

an unshaded sperm-oil lamp consisting of a translucent glass globe supported on a pedestal: a form of astral lamp.

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Origin of sinumbra lamp

1825–35; < Latin sin(e) without + umbrā shade, shadow

Words nearby sinumbra lamp

sinter, sintra, sinuate, sinuation, sinuiju, sinumbra lamp, sinuosity, sinuous, sinus, sinus arrest, sinus arrhythmia
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020