relative darkness caused by light rays being intercepted by an opaque body

&lɑ s/ noun glasswith a rough or grainy surface which makesit opaque

not transmitting or reflecting light or radiant energy; impenetrable to sight

a white opaque brittle solid, NaOH, having a fibrous structure, produced by the action of quicklime, or of calcium hydrate (milk of lime), on sodium carbonate. It is a strong alkali, and is used in the manufacture of soap, in making wood pulp for paper, etc. Called also sodium hydrate, and caustic soda. By extension, a solution of sodium hydroxide, a silvery soft waxy metallic element of the alkali metal group; occurs abundantly in natural compounds (especially in salt water); burns with a yellow flame and reacts violently in water; occurs in sea water and in the mineral halite (rock salt), a white crystalline substance, Na2CO3.10H2O, having a cooling alkaline taste, found in the ashes of many plants, and produced artifically in large quantities from common salt. It is used in making soap, glass, paper, etc., and as alkaline agent in many chemical industries. Called also sal soda, washing soda, or soda. Cf. Sodium bicarbonate, and Trona

spots before the eyes caused by opaque cell fragments in the vitreous humor and lens, Plural form of spot, verb_ Third-person singular simple present indicative form of spot

The systematic process of assessment and planning employed to remediate or prevent a social, educational, or developmental problem, The act or state of intervening; a coming between; interposition; mediatorial interference_ as, light is interrupted by the intervention of an opaque body; the intervention of one state in the affairs of another, the act or fact of interposing one thing between or among others

A thin, opaque, abnormal coating on the cornea of the eye, Movies collectively, especially when considered as an art form, A coating of magnetic alloys on glass used in manufacturing computer storage devices, intransitive verb_ To record on film or video using a movie camera, To make or shoot scenes for a movie, transitive verb_ To cover with a thin skin or pellicle, to make a motion picture of (any event or literary work); to record with a movie camera, verb_ To record a motion picture on photographic film,record in film

A polished surface, as of metal, or of glass backed by a metal or other opaque substance, used to reflect objects, especially to reflect the face or person as an aid in making the toilet, That which gives a true representation, or in which a true image may be seen; hence, a pattern; an exemplar, polished surface that forms images by reflecting light, verb_ reflect as if in a mirror, reflect or resemble, transitive verb_ To reflect in or as if in a mirror