petzval lens
Word Rarity
Very rare
Frequency: Zipf frequency 1.19 in modern English
25
Scrabble Score
11
Letters
3
Syllables
9
Unique Chars
Meaning
noun
A photographic lens consisting of two doublet lenses with an aperture stop in between.
Etymology
Inflected Forms
Phrases
Petzval condition
Petzval sum
Frequently Paired Words
Petzval condition
Petzval sum