WordNet (r) 3.0 (2006):
Leuwenhoek n 1: Dutch pioneer microscopist who was among the first to recognize cells in animals and who gave the first accurate descriptions of microbes and spermatozoa and blood corpuscles (1632-1723) [syn: Leuwenhoek, Leeuwenhoek, Anton van Leuwenhoek, Anton van Leeuwenhoek]