single-chamber single-channel single-chip single-component single-core single-crystal silicon single-cylinder single-cylinder engine single-day single-deck single-digit single-disc single-domain single-dose single-dose container single-dose vial single-elimination single-elimination tournament single-ended single-engine single-family single-family detached single-family dwelling single-family dwellings single-family home single-family homes single-family house single-family houses single-family housing single-family residence single-file single-game single-handed single-handedly single-handedly created single-hull single-issue single-layer single-layered single-lens reflex single-level single-line single-malt single-member single-member constituencies single-member districts single-member private single-minded single-minded focus single-mindedness single-mode single-mode fiber single-mode optical single-molecule single-mother single-node single-page single-parent single-parent families single-parent family single-parent homes single-parent households single-party single-pass single-payer single-payer health care single-payer system single-person single-person households single-phase single-phase motor single-phase power single-photon single-player single-player game single-player games single-point single-pole single-purpose single-room single-row single-season single-seat single-seat constituencies single-seater single-serve single-serving single-sex single-shot single-sided single-site single-source single-spaced single-span single-speed single-stage single-strand single-stranded single-stranded nucleic acid