Crossword puzzle clue "optical element"

Here are the possible solutions for optical element clue

Answer
Clue
Relevancy
lens
Clue
Optical element
Definition
a piece of transparent matter with one or both surfaces curved to cause regular convergence or divergence of rays passing through it
atom
Clue
Element element
Definition
the smallest particle in an element which can take part in a chemical reaction
aas
Clue
Batteries in optical mice
Definition
AA, (Hawaiian) a volcanic rock consisting of angular blocks of lava with a very rough surface
aorb
Clue
Optical illusion question, "Which is longer, ___?"
Optical illusion query, “Which is longer, ___?”
'Which is longer, --?' (optical illusion question)
aperture
Clue
Optical opening
Definition
an opening
apertures
Clue
Optical openings
Definition
APERTURE, an opening

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