Hydrogen
11hydrogen — ► NOUN ▪ a colourless, odourless, highly flammable gas which is the lightest of the chemical elements …
12Hydrogen — This article is about the chemistry of hydrogen. For the physics of atomic hydrogen, see Hydrogen atom. For other meanings, see Hydrogen (disambiguation). ← hydrogen → helium …
13hydrogen — /huy dreuh jeuhn/, n. a colorless, odorless, flammable gas that combines chemically with oxygen to form water: the lightest of the known elements. Symbol: H; at. wt.: 1.00797; at. no.: 1; density: 0.0899 g/l at 0°C and 760 mm pressure. [1785 95;… …
14Hydrogen-4 — Infobox isotope alternate names = symbol =H mass number =4 mass =4.0279121 num neutrons =3 num protons =1 abundance = halflife =9.93696x10 23 seconds error halflife = background =#eee text color = decay product = decay symbol = decay mass = decay …
15Hydrogen-5 — Infobox isotope alternate names = symbol =H mass number =5 mass = num neutrons =4 num protons =1 abundance = halflife =8.01930x10 23 seconds error halflife = background =#eee text color = decay product = decay symbol = decay mass = decay mode1 =… …
16hydrogen — n. Chem. a colourless gaseous element, without taste or odour, the lightest of the elements and occurring in water and all organic compounds. Usage: Symb.: H. Phrases and idioms: hydrogen bomb an immensely powerful bomb utilizing the explosive… …
17hydrogen — 1. A gaseous element, atomic no. 1, atomic wt. 1.00794. 2. The molecular form (H2) of the element. SYN: dihydrogen. [hydro + G. gen, producing] activated h. h. removed by a dehydrogenase, e.g., via a …
18Hydrogen — Der Begriff Hydrogen bezeichnet: einen anderen Namen für das chemische Element Wasserstoff einen virtueller Drumcomputer und sequenzer für GNU/Linux (siehe Hydrogen (Software)) Diese Seite ist eine …
19Hydrogen — Wasserstoffgas; Wasserstoff; Hydrogenium * * * ◆ hy|dro|gen 〈Adj.; Chem.〉 aus Wasser abgeschieden [<grch. hydor „Wasser“ + gennan „erzeugen“] ◆ Die Buchstabenfolge hy|dr... kann in Fremdwörtern auch hyd|r... getrennt werden. * * * Hy|d|ro|gen… …
20hydrogen — [18] Greek húdōr ‘water’ (a distant relative of English water) has been a prolific source of English vocabulary. Amongst its contributions are hydrangea [18] (literally ‘water vessel’, so named from the cuplike shape of its seedpods), hydrant… …
