DECELERATORS Synonyms

• a movable iron plate that regulates the draft in a stove or chimney or furnace

• a device that decreases the amplitude of electronic, mechanical, acoustical, or aerodynamic oscillations

• a depressing restraint

• something immaterial that interferes with or delays action or progress

• any structure that makes progress difficult

• a substance that retards or stops an activity

• any substance used to slow down neutrons in nuclear reactors

• in the Presbyterian church, the officer who presides over a synod or general assembly

• someone who presides over a forum or debate

• someone who mediates disputes and attempts to avoid violence

• a substance capable of bringing about the reduction of another substance as it itself is oxidized; used in photography to lessen the density of a negative or print by oxidizing some of the loose silver

• pipefitting that joins two pipes of different diameter

• the act of controlling by restraining someone or something

• discipline in personal and social activities

• the state of being physically constrained

• a rule or condition that limits freedom

• lack of ornamentation

• a device that retards something's motion

• someone who suppresses

• a gene that suppresses the phenotypic expression of another gene (especially of a mutant gene)

• an electrical device for suppressing unwanted currents