bar·ley·corn 
(bärlē-kôrn′)
(bärlē-kôrn′)n.
1. The grain of barley.
2. A unit of measure equal to the length of a grain of barley, or about 1/3 inch (0.85 centimeter).
- decomposer
- decomposition
- decompositional
- decompound
- decompound
- decompress
- decompression
- decompression chamber
- decompression sickness
- deconcentrate
- deconcentration
- decondition
- decongest
- decongestant
- decongestion
- decongestive
- deconsecrate
- deconsecration
- deconstruct
- deconstruction
- deconstructionism
- deconstructionist
- deconstructive
- deconstructivism
- deconstructivist