let a substance or light in or out through an opening
Crossword Clue

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AnswerCrossword Clue
leakinglet a substance or light in or out through an opening
diffractionThe process by which a beam of light or other system of waves is spread out as a result of passing through a narrow aperture or across an edge, typically accompanied by interference between the wave forms produced
diffractionsThe process by which a beam of light or other system of waves is spread out as a result of passing through a narrow aperture or across an edge, typically accompanied by interference between the wave forms produced
aperturesA space through which light passes in an optical or photographic instrument, esp. the variable opening by which light enters a camera
strainingPour (a mainly liquid substance) through a porous or perforated device or material in order to separate out any solid matter
colloidsA homogeneous, noncrystalline substance consisting of large molecules or ultramicroscopic particles of one substance dispersed through a second substance. Colloids include gels, sols, and emulsions; the particles do not settle and cannot be separated out by ordinary filtering or centrifuging like those in a suspension