molecular oxygen
1molecular oxygen — dioxygen, O2 …
2Oxygen toxicity — Classification and external resources In 1942–43 the UK Government carried out extensive testing for oxygen toxicity in divers. The chamber is pressurised with air to 3.7  …
3Oxygen evolution — is the process of generating molecular oxygen through chemical reaction. Mechanisms of oxygen evolution include the oxidation of water during oxygenic photosynthesis, electrolysis of water into oxygen and hydrogen, and electrocatalytic oxygen… …
4Oxygen — This article is about the chemical element and its most stable form, O2 or dioxygen. For other forms of this element, see Allotropes of oxygen. For other uses, see Oxygen (disambiguation). nitrogen ← oxygen → fluorine ↑ O ↓ …
5oxygen — oxygenic /ok si jen ik/, oxygenous /ok sij euh neuhs/, adj. oxygenicity /ok si jeuh nis i tee/, n. /ok si jeuhn/, n. Chem. a colorless, odorless, gaseous element constituting about one fifth of the volume of the atmosphere and present in a… …
6Oxygen Catastrophe — The Oxygen Catastrophe was a massive environmental change believed to have happened during the Siderian period at the beginning of the Paleoproterozoic era of the Precambrian, about 2.4 billion years ago. It is also called the Oxygen Crisis,… …
7molecular — adjective Date: 1823 1. of, relating to, consisting of, or produced by molecules < molecular oxygen > 2. of or relating to individual or small components < a molecular view of the American Civil War > • molecularly adverb …
8molecular — Relating to molecules. * * * mo·lec·u·lar mə lek yə lər adj 1) of, relating to, or produced by molecules <molecular oxygen> 2) relating to or emphasizing individual responses or structures of behavior <proceed by more and more detailed… …
9oxygen — noun /ɒksɪʤən̩/ a) A chemical element (symbol O) with an atomic number of 8 and relative atomic mass of 15.9994. b) Molecular oxygen (O), a colorless, odorless gas at room temperature. Syn: E948 …
10oxygen gas — noun the normal form of molecular oxygen, especially such a gas supplied industrially in cylinders …
