lens opening - Wordage.info - Free Thesaurus Tool for Word Discovery - Expanded Thesaurus, Reverse Dictionary Lookup

prism collapse: optical device having a triangular shape and made of glass or quartz; used to deviate a beam or invert an image; a polyhedron with two congruent and parallel faces (the bases) and whose lateral faces are parallelograms

ocular collapse: able to be seen; "be sure of it; give me the ocular proof"- Shakespeare; "a visual presentation"; "a visual image"; relating to or using sight; "ocular inspection"; "an optical illusion"; "visual powers"; "visual navigation"; of or relating to or resembling the eye; "ocular muscles"; "an ocular organ"; "ocular diseases"; "the optic (or optical) axis of the eye"; "an ocular spot is a pigmented organ or part believed to be sensitive to light"

meniscus collapse: (physics) the curved upper surface of a nonturbulent liquid in a vertical tube; (optics) a lens that is concave on one side and convex on the other; (anatomy) a disk of cartilage that serves as a cushion between the ends of bones that meet at a joint

camera collapse: equipment for taking photographs (usually consisting of a lightproof box with a lens at one end and light-sensitive film at the other)

objective collapse: the lens or system of lenses in a telescope or microscope that is nearest the object being viewed; belonging to immediate experience of actual things or events; "objective benefits"; "an objective example"; "there is no objective evidence of anything of the kind"; undistorted by emotion or personal bias; based on observable phenomena; "an objective appraisal"; "objective evidence"; emphasizing or expressing things as perceived without distortion of personal feelings, insertion of fictional matter, or interpretation; "objective art"; serving as or indicating the object of a verb or of certain prepositions and used for certain other purposes; "objective case"; "accusative endings"

reader collapse: one of a series of texts for students learning to read; a person who enjoys reading; a person who can read; a literate person

glass collapse: a container for holding liquids while drinking; glassware collectively; "She collected old glass"; the quantity a glass will hold; a brittle transparent solid with irregular atomic structure; put in a glass container; enclose with glass; "glass in a porch"; scan (game in the forest) with binoculars; furnish with glass; "glass the windows"

light meter collapse: photographic equipment that measures the intensity of light

fenestra collapse: a small opening covered with membrane (especially one in the bone between the middle and inner ear)

orifice collapse: an aperture or hole that opens into a bodily cavity; "the orifice into the aorta from the lower left chamber of the heart"

filter collapse: device that removes something from whatever passes through it; an electrical device that alters the frequency spectrum of signals passing through it; remove by passing through a filter; "filter out the impurities"

yawn collapse: an involuntary intake of breath through a wide open mouth; usually triggered by fatigue or boredom; "he could not suppress a yawn"; "the yawning in the audience told him it was time to stop"; "he apologized for his oscitancy"; utter a yawn, as from lack of oxygen or when one is tired; "The child yawned during the long performance"

equipment collapse: an instrumentality needed for an undertaking or to perform a service

alpha collapse: the 1st letter of the Greek alphabet; the beginning of a series or sequence; "the Alpha and Omega, the first and the last, the beginning and the end"--Revelations; early testing stage of a software or hardware product; "alpha version"; first in order of importance; "the alpha male in the group of chimpanzees"; "the alpha star in a constellation is the brightest or main star"

retina collapse: the light-sensitive membrane covering the back wall of the eyeball; it is continuous with the optic nerve

lens collapse: a transparent optical device used to converge or diverge transmitted light and to form images; electronic equipment that uses a magnetic or electric field in order to focus a beam of electrons; biconvex transparent body situated behind the iris in the eye; it focuses light waves on the retina; (metaphor) a channel through which something can be seen or understood; "the writer is the lens through which history can be seen"; genus of small erect or climbing herbs with pinnate leaves and small inconspicuous white flowers and small flattened pods: lentils

spectacles collapse: optical instrument consisting of a pair of lenses for correcting defective vision

monocle collapse: lens for correcting defective vision in one eye; held in place by facial muscles

sunglasses collapse: spectacles that are darkened or polarized to protect the eyes from the glare of the sun; "he was wearing a pair of mirrored shades"

exposure collapse: the act of subjecting someone to an influencing experience; "she denounced the exposure of children to pornography"; abandoning without shelter or protection (as by leaving as infant out in the open); presentation to view in an open or public manner; "the exposure of his anger was shocking"; the act of exposing film to light; vulnerability to the elements; to the action of heat or cold or wind or rain; "exposure to the weather" or "they died from exposure";; aspect re light or wind; "the studio had a northern exposure"; the disclosure of something secret; "they feared exposure of their campaign plans"; the intensity of light falling on a photographic film or plate; "he used the wrong exposure"

aperture collapse: an man-made opening; usually small; a device that controls amount of light admitted; a natural opening in something

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