Diselenide :: Diselenide (n.) A selenide containing two atoms of selenium in each molecule.

Geoselenic :: Geoselenic (a.) Pertaining to the earth and moon; belonging to the joint action or mutual relations of the earth and moon; as, geoselenic phenomena..

Paraselenae :: Paraselenae (pl. ) of Paraselen.

Paraselene :: Paraselene (n.) A mock moon; an image of the moon which sometimes appears at the point of intersection of two lunar halos. Cf. Parhelion.

Selenate :: Selenate (n.) A salt of selenic acid; -- formerly called also seleniate.

Selenecentric :: Selenecentric (a.) As seen or estimated from the center of the moon; with the moon central.

Selenhydric :: Selenhydric (a.) Of, pertaining to, or designating, hydrogen selenide, H2Se, regarded as an acid analogous to sulphydric acid..

Selenic :: Selenic (a.) Of or pertaining to selenium; derived from, or containing, selenium; specifically, designating those compounds in which the element has a higher valence as contrasted with selenious compounds..

Selenide :: Selenide (n.) A binary compound of selenium, or a compound regarded as binary; as, ethyl selenide..

Seleniferous :: Seleniferous (a.) Containing, or impregnated with, selenium; as, seleniferous pyrites..

Selenio- :: Selenio- () A combining form (also used adjectively) denoting the presence of selenium or its compounds; as, selenio-phosphate, a phosphate having selenium in place of all, or a part, of the oxygen..

Selenious :: Selenious (a.) Of, pertaining to, or containing, selenium; specifically, designating those compounds in which the element has a lower valence as contrasted with selenic compounds..

Selenite :: Selenite (n.) A salt of selenious acid.

Selenite :: Selenite (n.) A variety of gypsum, occuring in transparent crystals or crystalline masses..

Selenitic :: Selenitic (a.) Alt. of Selenitica.

Selenitical :: Selenitical (a.) Of or pertaining to selenite; resembling or containing selenite.

Selenium :: Selenium (n.) A nonmetallic element of the sulphur group, and analogous to sulphur in its compounds. It is found in small quantities with sulphur and some sulphur ores, and obtained in the free state as a dark reddish powder or crystalline mass, or as a dark metallic-looking substance. It exhibits under the action of light a remarkable variation in electric conductivity, and is used in certain electric apparatus. Symbol Se. Atomic weight 78.9..

Seleniuret :: Seleniuret (n.) A selenide.

Seleniureted :: Seleniureted (a.) Combined with selenium as in a selenide; as, seleniureted hydrogen..

Selenograph :: Selenograph (n.) A picture or delineation of the moon's surface, or of any part of it..

Selenographer :: Selenographer (n.) One skilled in selenography.

Selenographic :: Selenographic (a.) Alt. of Selenographica.

Selenographical :: Selenographical (a.) Of or pertaining to selenography.

Selenographist :: Selenographist (n.) A selenographer.

Selenography :: Selenography (n.) The science that treats of the physical features of the moon; -- corresponding to physical geography in respect to the earth.

Selenology :: Selenology (n.) That branch of astronomy which treats of the moon.

Selenonium :: Selenonium (n.) A hypothetical radical of selenium, analogous to sulphonium..

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