panelist, emcee, speaker, panellist, forum, discussant, editor, presenters, questioner, toastmaster, quizmaster, compere, interviewer, facilitator, keynoter, attendee, recapper, president, interviewee, cohost, pronouncer, webmaster, homilist, trustee, chairperson, debaters, liturgist, weathercaster, topic, bookclub, comments, anchoress, blogger, proctor, inquisitor, newsmaker, chair, rector, consecrator, roundtable, treasurer, organizer, pastor, gavel, advisor, administrator, commentator, newscaster, discussion, reporter, member, dramaturg, chairman, interlocutor, chex, executive, anchorperson, coanchor, governing board, cablecast, gadfly, representative, consultor, selectwoman, participant, dais, theologian, hosts, chairwoman, corespondent, anchorman, suffragan bishop, presiding, convener, newsperson, future tense, veep, dialog, steering committee, reader, cofounder, levar, microphone, methodologist, librarian, auditioner, mediator, columnist, poller, wagel, board, anchor, mike, counsel, concertmaster, newsman, journalist, editorialist, newsreader, pundit, deacon, conversationalist, moderators, intermediary, arbitrator, helper, appraiser, facilitators, caretaker, ceo, referee, sponsor, examiner, guardian, overseer, presenter, guarantors, mover, supervisor, contextual, attitudinal, binary, criterial, deformable, dichroic, elastic, expectational, extraneous, foundational, graphic, matrix, monatomic, structural, unordered, untransformed, adjoint, bidimensional, cartilaginous, component

deuterium oxide, heavy water

black lead, boiling water reactor, bwr, fast reactor, graphite, moderatorship, modifier, plumbago, pressurized water reactor, priggishly, pwr, thermal reactor

nuclear reactor, reactor

go-between, inhibitor, intermediary, intermediator, mediator, presiding officer