selenium, Se, atomic number
(noun) a toxic nonmetallic element related to sulfur and tellurium; occurs in several allotropic forms; a stable grey metallike allotrope conducts electricity better in the light than in the dark and is used in photocells; occurs in sulfide ores (as pyrite)
Source: WordNet® 3.1
selenium (usually uncountable, plural seleniums)
A nonmetallic chemical element (symbol Se) with an atomic number of 34, used mainly in glassmaking and pigments and as a semiconductor.
Hypernym: chalcogen
A single atom of this element.
• Melusine, emulsine, semilune, seminule
Source: Wiktionary
Se*le"ni*um, n. Etym: [NL., from Gr. tellurium (from L. tellus the earth), being, as it were, a companion to it.] (Chem.)
Definition: 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.
Source: Webster’s Unabridged Dictionary 1913 Edition
25 January 2025
(noun) the study of the whorls and loops and arches in the fingertips and on the palms of the hand and the soles of the feet; “some criminologists specialize in dermatoglyphics”
Espresso is both a coffee beverage and a brewing method that originated in Italy. When making an espresso, a small amount of nearly boiling water under pressure forces through finely-ground coffee beans. It has more caffeine per unit volume than most coffee beverages. Its smaller serving size will take three shots to equal a mug of standard brewed coffee.
