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specula

  • plural
    of speculum.
    speculum
    noun
    a mirror or reflector, especially one of polished metal, as on a reflecting telescope.

Example Sentences

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Adding “Web MD” brought back the same results, albeit staged in doctors’ offices, with lab coats and specula as props.

From The New Yorker Apr. 15, 2019

The firm also apparently compounded its problems through ill-advised specula tion in the market for Government securities.

From Time Magazine Archive

He made 430 parabolic specula in twenty-one years.

From History of Astronomy by George Forbes

The lenses and achromatic glasses, tubes and specula, concave mirrors, and object-prisms, and the huge, rough old telescope, peering through the roof, were still there as their owner had left them.

From Prairie Farmer, Vol. 56: No. 3, January 19, 1884. A Weekly Journal for the Farm, Orchard and Fireside by Various

I exhibited to him my apparatus for obtaining sound castings of specula for reflecting telescopes.

From James Nasmyth: Engineer; an autobiography by Samuel Smiles