Definitions

from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. A miniature sphere; a globule.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. A small sphere.

from the GNU version of the Collaborative International Dictionary of English

  • n. A little sphere or spherical body.

from The Century Dictionary and Cyclopedia

  • n. A little sphere or spherical body.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. a small sphere

Etymologies

Late Latin sphaerula, diminutive of Latin sphaera, ball; see sphere.
(American Heritage® Dictionary of the English Language, Fourth Edition)
See sphere (Wiktionary)

Examples

  • Here is a spherule which is producing it in an elastic solid.

    The Wave Theory of Light

  • At one site at El Penon, the researchers found 52 species present in sediments below the impact spherule layer, and counted all 52 still present in layers above the molten droplets or spherules.

    Dinosaur Extinction Occured 300,000 Years After Asteroid Impact | Impact Lab

  • Or lobes, Vincent noticed, slightly larger and more spherule than earlobes, but hanging nonetheless from the scruff of his neck, from the woolly underside of his chin, and most prominently below the left eye, where a single bulbous teardrop of flesh dangled against the slope of his cheek.

    Heaven Lake

  • Conversation with him reduced the world from a sphere to a spherule.

    The Life of Sir Richard Burton

  • If you find so much as a pre-biotic spherule, a pseudo-membranous configuration, even a viroid aggregate, the show's off.

    THE WRATH OF KHAN

  • The fine dust of Mr. Aitken exists everywhere, even in the upper regions of the atmosphere; many of its particles are of ultra-microscopic fineness, one of them must exist in every raindrop, nay, even in every spherule of a mist or cloud, but it is only occasionally that one can find them with the microscope.

    Scientific American Supplement, No. 443, June 28, 1884

  • Now the motion of the luminiferous ether relatively to the spherule gives rise to the same effect as would an opposite motion impressed upon the spherule quite independently by an independent force.

    The Wave Theory of Light

  • Imagine the solid to extend miles horizontally and miles up and down, and imagine this spherule to vibrate up and down.

    The Wave Theory of Light

  • Let me twist this spherule in the jelly as I am now doing, and that will produce vibrations, also spreading out equally in all horizontal directions.

    The Wave Theory of Light

  • The phenomena of life in the higher animals and plants are indeed far too complex to be understood; but if commencing with these we go down the scale, we find these phenomena becoming simpler and simpler until they reach the simplest expression in the microscopic cell or microscopic spherule of protoplasm.

    Documenting the American South: The Southern Experience in 19-th Century America

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