photoharden

P3H4O1T1O1H4A1R1D2E1N1

verb

To harden by exposure to light.

Scrabble 20
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Meanings

verbphotoharden (third-person singular simple present photohardens, present participle photohardening, simple past and past participle photohardened)

present singular third person photohardens · participle present photohardening · participle past photohardened · past photohardened

  1. transitiveTo harden by exposure to light.

    Accordingly, the photosensitive material that can be photohardened to give a resist image to the etch is called a photoresist.

    1967, R. H. Marchessault, Christen Skaar, Surfaces and Coatings Related to Paper and Wood: A Symposium..., page 363
    1 more example

    In coated layers of this composition, exposure to visible light photohardens the polymerizable droplets so that color does not form on treatment with oxidizing agent and color developer; […]

    1969, Photographic Science and Engineering, volume 13, page 84

Origin

From photo- + harden.

Full word history & related roots →
Cite this entry
APA

photoharden. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/photoharden

MLA

“photoharden.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/photoharden. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “photoharden,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/photoharden.

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