Meanings

outward-curving bowl rim

allergic reaction

statement of opposition

echolocation

irony

reflection theory

antitrust law

iodo-starch reaction

anti-nuclear power movement

anticommunism

opposite direction

dissenting vote

antisocial personality disorder

anti-establishment

antiproton bomb

overreaction

reactionary elements

strong opposition

chemical reaction used to detect residue from gunshots

violating vehicles (esp. vehicles violating parking regulations)