microsponge

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noun

A collection of very small, spongelike particles, having a large porous surface, used for drug delivery.

Scrabble 18
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Meanings

nounmicrosponge (plural microsponges)

plural microsponges

  1. A collection of very small, spongelike particles, having a large porous surface, used for drug delivery.
  2. A small sponge.

    […] is dried with a microsponge just enough to reveal the previously made indentation.

    1985, Donald R. Sanders, Robert F. Hofmann, Refractive surgery: a text of radial keratotomy, page 132
    1 more example

    Some investigators recommend touching the corneal epithelium at the slit lamp with a microsponge applicator in patients with suspected loose epithelium.

    2002, Dimitri T. Azar, Douglas Koch, LASIK (Laser in Situ Keratomileusis): Fundamentals, Surgical Techniques, and Complications

Origin

From micro- + sponge.

Full word history & related roots →
Cite this entry
APA

microsponge. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/microsponge

MLA

“microsponge.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/microsponge. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “microsponge,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/microsponge.

Source: microsponge on Wiktionary, CC BY-SA 4.0.