13-letter words containing c, o, e, f, i, n
- sign of peace — the liturgical practice of giving a sign of peace, union, or friendship, as a handshake or embrace, at some point in a Christian service, esp. in a Mass or Communion service
- space fiction — a book, film, TV series, etc, set in outer space
- specification — the act of specifying.
- staff section — section (def 10b).
- step function — a function that is constant on each of a finite set of subintervals of its domain, the union of the subintervals being the domain.
- surface noise — extraneous noise caused by physical wear or a physical flaw on a phonograph record or in a pickup system, rather than by a flaw in the equipment.
- testification — the act of testifying or giving testimony.
- to perfection — impeccably, perfectly
- unciform bone — a small bone of the wrist
- undiscomfited — not discomfited; at ease
- versification — the act of versifying.
- wave function — a solution of a wave equation.