Joule 
(jl, joul), James Prescott 1818-1889.
(jl, joul), James Prescott 1818-1889. British physicist who established the mechanical theory of heat and discovered the first law of thermodynamics.
- Christopher Murray Grieve.
- Christopher William Bradshaw
- christophine
- Christoph Willibald
- Christo Vladimirov Javacheff.
- Christ's thorn
- Christ-thorn
- christy
- christy
- Christy
- "Christy."
- chrom-
- chrom-
- chroma
- chromaffin
- chroma key
- chromakey
- chromat-
- chromat-
- chromate
- chromatic
- chromatic aberration
- chromatically
- chromaticism
- chromaticity