Synonym: H, atomic number 1. Similar words: hydrogen bomb, chondrogenesis, hydrosphere, hydrometer, hydrophobia, hydrodynamic, progeny, nitrogen. Meaning: ['haɪdrədʒən] 
n. a nonmetallic univalent element that is normally a colorless and odorless highly flammable diatomic gas; the simplest and lightest and most abundant element in the universe.
n. a nonmetallic univalent element that is normally a colorless and odorless highly flammable diatomic gas; the simplest and lightest and most abundant element in the universe. 
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151. The energy of this hydrogen bonding is comparable to that of the torsion-angle strain.
152. Anhydrous caustic soda, hydrogen gas and phosgene, all well established product areas, are being developed to produce maximum returns.
153. We have also seen that hydrogen is made as a byproduct of the makeup of oxygen by electrolysis of water.
154. One molecule of ammonia contains one atom of nitrogen and three atoms of hydrogen.
155. On 12 July 1953, when the Soviet Union exploded its first hydrogen bomb, equilibrium was restored.
156. Diuretics should be stopped, if possible, to decrease renal hydrogen ion loss.
157. Like Green's compound, this iridium compound contains two hydrogen atoms that can be eliminated by light. Sentencedict.com
158. By supplying addition molecules of chlorine it is possible to replace all the hydrogen atoms.
159. At the pole, we fill the tanks with 400 tons of water and 700 tons of hydrogen and oxygen.
160. These unusual chemical shifts for imino and amino protons are indicative of novel hydrogen bonding.
161. I poured the hydrogen peroxide into the hydroquinone, and absolutely nothing happened.
162. Hydrogen sulphide was probably a relatively rare commodity, even in ancient times.
163. Such was the case with the idea that hydrogen fusion might occur at moderate temperatures within solid materials.
164. For clarity,[sentencedict.com] the three hydrogen bonds mentioned in the text are not illustrated.
165. A more attractive long-term possibility is the direct solar production of hydrogen from water by photochemical conversion.
166. The escape rate of hydrogen from Earth is low enough so as to be unimportant by comparison.
167. They include a laboratory for handling tritium, the heavy radioactive isotope of hydrogen which is a fuel for fusion reactors.
168. Finally, we should comment on the relative abundance of ozone and hydrogen peroxide at Cape Grim.
169. Carbohydrates in pure form contain only carbon, hydrogen, and oxygen.
170. It will also be a rare opportunity to witness the silent magic of six hydrogen balloons drifting away.
171. The cells will drive electric motors and use on-board hydrogen gas as fuel.
172. The variability of patterns resulting from the use of different volumes of hydrogen peroxide also argued against further use of this technique.
173. Joseph Black had described carbon dioxide in 1756 while Henry Cavendish described hydrogen in 1766.
174. However, at present, the economics of using solar-produced electricity to produce hydrogen from water by electrolysis are poor.
175. The products of coal gasification include carbon monoxide, carbon dioxide, hydrogen, methane and nitrogen.
176. A methyl group is a carbon with three hydrogen atoms attached.
177. If the small atom bomb went up, so then would the hydrogen bomb.
178. As a practical matter, hydrogen use has some negative effects.
179. Water is a compound of hydrogen and oxygen.
180. Hydrogen evolution is always a possibility in water solutions.
More similar words: hydrogen bomb, chondrogenesis, hydrosphere, hydrometer, hydrophobia, hydrodynamic, progeny, nitrogen, nitrogen fixation, hydrate, hydrant, dehydrate, dehydration, carbohydrate, cogent, cogency, pathogen, photogenic, homogeneity, homogenized, homogeneous, hallucinogen, carcinogenic, intelligence agency, pachyderm, together, apogee, go together, altogether, get together.