spot lens
plural of antitoxin
(microscopy) A condensing lens in which the light is confined to an annular pencil by means of a small, round diaphragm (the spot), and used in darkfield illumination.
spot
A hollow cylinder with a handle and a hole in the cap, used dig up clams by suction.
A passageway through which to enter or leave, such as one between seating areas in an auditorium, or between two buildings. / An articulating bridge or ramp, such as from land to a dock or a ship.
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DiQt（ディクト）
無料
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