An atom or group of atoms containing at least one unpaired electron and existing for a brief period of time before reacting to produce a stable molecule

Former member of Marine Girls who became one half of Everything but the Girl11 Tree trunk4 Initially reels out old scores to settle5 Port wine from Spain, 60% of it3 Savage7 1924 composition by George Gershwin for solo piano and jazz band14 Pacific battle's fine, mostly from one point of view7 On a horizontal plane5