moderator (noun)
11moderator — mod|er|a|tor [ madə,reıtər ] noun count 1. ) someone who is in charge of a discussion, meeting, etc. between people with different opinions 2. ) a senior religious leader in a Protestant church …
12nuclear reactor — noun (physics) any of several kinds of apparatus that maintain and control a nuclear reaction for the production of energy or artificial elements • Syn: ↑reactor • Topics: ↑physics, ↑natural philosophy • Hypernyms: ↑apparatus, ↑ …
13deuterium 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 …
14moderatorship — noun the position of moderator • Derivationally related forms: ↑moderator • Hypernyms: ↑position, ↑post, ↑berth, ↑office, ↑spot, ↑billet, ↑place, ↑ …
15panel — noun 1 group of people ADJECTIVE ▪ all star (AmE), blue ribbon (AmE), distinguished, outstanding ▪ a distinguished panel of academics ▪ expert ▪ …
16presiding officer — noun the leader of a group meeting • Hypernyms: ↑leader • Hyponyms: ↑moderator, ↑president, ↑chairman, ↑chairwoman, ↑chair, ↑chairperson, ↑Spe …
17graphite — noun a grey, crystalline, electrically conducting form of carbon which is used as a solid lubricant, as pencil lead, and as a moderator in nuclear reactors. Derivatives graphitic adjective graphitization or graphitisation noun graphitize or… …
18heavy water — noun water containing a substantial proportion of deuterium atoms, used in nuclear reactors • Syn: ↑deuterium oxide • Hypernyms: ↑moderator * * * ˈheavy water 7 [heavy water] noun …
19pressurized water reactor — noun a nuclear reactor that uses water as a coolant and moderator; the steam produced can drive a steam turbine • Syn: ↑PWR • Hypernyms: ↑water cooled reactor * * * pressurized water reactor noun A nuclear reactor using water cooling at a… …
20anchorman — noun Date: 1911 1. a person who is last: as a. the member of a team who competes last < the anchorman on a relay team > b. the student who has the lowest scholastic standing in a graduating class 2. a broadcaster (as on a news program) who… …
