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
2 November 2024
(noun) a dull unattractive unpleasant girl or woman; “she got a reputation as a frump”; “she’s a real dog”
Coffee starts as a yellow berry, changes into a red berry, and then is picked by hand to harvest. The red berry is de-shelled through a water soaking process and what’s left inside is the green coffee bean. This bean then dries in the sun for 3-5 days, where it is then packed and ready for sale.
