15-letter words containing d, e, f, i, c, n
- superconfidence — great or extreme confidence, overconfidence
- surface density — quantity, as of electric charge, per unit surface area.
- surface-ripened — (of cheese) ripened on the surface by molds or other microorganisms.
- time difference — the difference in clock time between two or more different time zones
- track and field — athletics events
- track-and-field — of, relating to, or participating in the sports of running, pole-vaulting, broad-jumping, etc.: a track-and-field athlete.
- video frequency — transmission frequency of the television picture.
- videoconference — a teleconference conducted via television equipment.