dewcap
nounEtymology From dew + cap.
1
A tube that protrudes beyond the objective of a telescope or camera etc. to prevent dew from forming on it.
Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.
noun
Etymology From dew + cap.
A tube that protrudes beyond the objective of a telescope or camera etc. to prevent dew from forming on it.
Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.
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