chap·fall·en 
(chăpfô′lən) also chop·fall·en (chŏp-)
(chăpfô′lən) also chop·fall·en (chŏp-)adj.
Being in low spirits; dejected and disheartened.
[From obsolete chaps, alteration of CHOPS.]
- photoelectrical
- photoelectrically
- photoelectric cell
- photoelectric effect
- photoelectron
- photoemission
- photoemission spectroscopy
- photoengrave
- photoengraver
- photoengraving
- photo-essay
- photo essay
- photo-essayist
- photo finish
- photoflash
- photoflood
- photofluorogram
- photofluorographic
- photofluorography
- photog
- photogelatin process
- photogene
- photogenic
- photogenically
- photogram