The melody's expressive quality came from the unexpected augmented seconds between some of its notes.

The telescope can resolve details down to three seconds of arc under ideal conditions.

The composer used minor seconds sparingly to create tension in the melody.

In the choir rehearsal, the conductor emphasized tuning the major seconds to avoid dissonance.

In late Romantic harmony, composers sometimes used diminished seconds to create subtle chromatic tension between adjacent voices.

The outcome of the race was decided by split seconds, with every millisecond pushing the winner ahead.

The ship's seconds in command coordinated the evacuation while the captain was incapacitated.

He hesitated for several hot seconds before stepping onto the stage.

During the observation run, the adaptive optics system delivered images with a sharpness better than 0.1 arc-seconds.

We bought several factory seconds to test whether the minor defects affected performance.