periodograph
/ˌpɪərɪˈɒdəɡrɑːf/ /ˌpɪərɪˈɒdəɡraf/Chiefly Science
noun
1A periodogram; (originally) specifically a curve drawn in a periodogram. Now disused.
2An instrument for automatically making a periodogram analysis or Fourier analysis of a curve by optical means.
Origin
Late 19th century. From period + -o- + -graph. Compare slightly earlier periodogram.
- for one's sins
- for one thing
- for openers
- for (or fo') shizzle
- for (or in) a coon's age
- for (or in) a good cause
- for (or on) hire
- for pity's sake
- for-profit
- forrader
- forrard
- for real
- for rent
- Forrest, John
- Forrest, Nathan Bedford
- forsake
- forsaken
- forsakenness
- forsaker
- for short
- for show
- for some reason
- forsooth
- for starters
- Forster, E. M.