focusser

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A form of focuser — A device which allows one to adjust the focus of an instrument such as a telescope.

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Meanings

nounfocusser (plural focussers)

plural focussers

  1. alternativeAlternative form of focuser.

Origin

From focus + -er.

Full word history & related roots →
Cite this entry
APA

focusser. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/focusser

MLA

“focusser.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/focusser. Accessed November 2, 2026.

Chicago

WatkinsX Dictionary, s.v. “focusser,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/focusser.

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