21-letter words containing p, y, c, n, o, t
- rectangular hyperbola — a hyperbola with perpendicular asymptotes
- redevelopment company — a private corporation or a public agency that stimulates the improvement of land, as through a building project subject to certain designs and controls, by financing, selling, or leasing such real estate to interested buyers or lessees.
- reinforcement therapy — a behavior modification technique in which appropriate behavior is strengthened through systematic reinforcement.
- schlieren photography — a type of photography which records schlieren
- social inquiry report — (in Britain) a report on a person and his or her circumstances, which may be required by a court before sentencing and is made by a probation officer or a social worker from a local authority social services department
- statutory corporation — a company or other body set up by statute
- sympathetic vibration — a vibration induced by resonance.
- therapeutic community — a group-based form of therapy for mental disorders, sometimes residential
- to play second fiddle — If you play second fiddle to someone, your position is less important than theirs in something that you are doing together.