extra-duty
Word Rarity
Uncommon
Frequency: Zipf frequency 4.52 in modern English
20
Scrabble Score
9
Letters
5
Syllables
8
Unique Chars
Meaning
adj
Describing a tennis ball having a thicker felt woven more loosely around the ball's core, designed for hard court surfaces such as asphalt or concrete.
Example Sentences
- "Coordinate term: regular-duty"
- "The men at the U.S. Open use what is known as an “extra-duty” ball, which means the felt on the outside of the ball is woven slightly more loosely than the “regular-duty” ball the women use. […] Extra-duty balls are the balls of choice for outdoor hardcourts, like those at the U.S. Open, except when they are not."
Inflected Forms
extra duty (alternative)