Dictionaries, Thesauruses, Pictures, and Press Releases
- Cladoselachiformes
- Cladosporium
- Clairaut, Alexis-Claude
- Claisen, Ludwig
- clam shrimp
- clamp connection
- Clanwilliam cedar
- Clapeyron equation
- Clapeyron, Benoit-Pierre-Ém
- Clapeyron–Clausius equation
- clarain
- Clarias batrachus
- Clarias mossambicus
- Clariidae
- Clark, Edward Daniel
- Clark, John Desmond
- Clark, Josiah Latimer
- Clark, Mamie Phipps
- Clark, Thomas
- Clark, Wilfrid Edward Le Gros