fold sphere
Word Rarity
Rare
Frequency: Zipf frequency 3.69 in modern English
19
Scrabble Score
10
Letters
2
Syllables
9
Unique Chars
Meaning
noun
A fold mirror that is a "sphere", i.e. a spherical mirror
Example Sentences
- "Center of curvature for the 3.75-m fold sphere is accessible for in situ testing of this mirror."