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Example sentences from the Web for leeuwenhoek
In common with wheat and barley it also suffers from Leeuwenhoek's wolf and the weevil.
But to feel all the wonder of this fact we must follow Leeuwenhoek in one of his calculations on the subject.
Leeuwenhoek, in 1680, found yeast to be a mass of floating globules, but he had no notion that the globules were alive.Fragments of science, V. 1-2|John Tyndall
This fortunate chance, which Leeuwenhoek desires, presented itself to Mr. Needham.Buffon's Natural History, Volume III (of 10)|Georges Louis Leclerc, Comte de Buffon
Leeuwenhoek gives an instance of a woman of the lower classes who had a tick in the middle of her stomach.Animal Parasites and Messmates|P. J. Van Beneden
British Dictionary definitions for leeuwenhoek
Medical definitions for leeuwenhoek
Scientific definitions for leeuwenhoek
As a young man Anton van Leeuwenhoek worked in a drapery store, where he used magnifying glasses to count thread densities. Perhaps inspired by Robert Hooke's Micrographia (an account of Hooke's microscopic investigations in botany, chemistry, and other branches of science, published in 1665), he began building microscopes. He examined hair, blood, insects, and other things around him, keeping detailed records and drawings of his observations. Although compound microscopes with more than one lens had been invented at the end of the fourteenth century, they were able to magnify objects only 20 to 30 times. Van Leeuwenhoek's single-lens microscopes were basically powerful magnifying glasses, but his superior lens-grinding skills and acute eyesight enabled him to magnify objects up to 200 times. Van Leeuwenhoek made each microscope for a specific investigation, and he had his specimens permanently mounted so he could study them as long as he wanted. His discoveries include protozoans (1674), blood cells (1674), bacteria (1676), spermatozoa (1677), and the structure of nerves (1717). By the time of his death at the age of ninety, van Leeuwenhoek had constructed more than 400 microscopes.