deuterium oxide
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deuterium oxide — noun water containing a substantial proportion of deuterium atoms, used in nuclear reactors • Syn: ↑heavy water • Hypernyms: ↑moderator * * * noun : heavy water D2O composed only of deuterium and oxygen * * * Chem. See heavy water. [1930 35 … Useful english dictionary
deuterium oxide — Heavy water, in which the hydrogen is replaced by deuterium. Will stabilize assembled microtubules … Dictionary of molecular biology
deuterium oxide — noun Date: 1934 heavy water 1 … New Collegiate Dictionary
deuterium oxide — Chem. See heavy water. [1930 35] * * * … Universalium
deuterium oxide — /djuˌtɪəriəm ˈɒksaɪd/ (say dyooh.tearreeuhm oksuyd) noun → heavy water …
deuterium — /dooh tear ee euhm, dyooh /, n. Chem. an isotope of hydrogen, having twice the mass of ordinary hydrogen; heavy hydrogen. Symbol: D; at. wt.: 2.01; at. no.: 1. [1933; < Gk deúter(os) second (see DEUTERO ) + IUM] * * * or heavy hydrogen Isotope of … Universalium
oxide — oxidic /ok sid ik/, adj. /ok suyd, sid/, n. Chem. a compound in which oxygen is bonded to one or more electropositive atoms. Also, oxid /ok sid/. [1780 90; < F (now oxyde), b. oxygène and acide. See OXYGEN, ACID] * * * I Any of a large and… … Universalium
deuterium — SYN: hydrogen 2. [G. deuteros, second] d. oxide SYN: heavy water. * * * deu·te·ri·um d(y)ü tir ē əm n an isotope of hydrogen that has one proton and one neutron in its nucleus and that has twice the mass of ordinary hydrogen called also heavy… … Medical dictionary
deuterium — n. heavy hydrogen, the oxide of which is heavy water used to slow down neutrons emitted in nuclear fission … Dictionary of difficult words
Canadian deuterium uranium reactor — (CANDU) Uses heavy water or deuterium oxide (D2O), rather than light water (H2O), as the coolant and moderator. Deuterium is an isotope of hydrogen that has a different neutron absorption spectrum from that of ordinary hydrogen. In a deuterium… … Energy terms
