Alvarez hypothesis
alvarez hypothesis
alvarez hypothesis [(al-vuh-rez)]
the theory that the m-ss extinction that involved the dinosaurs and many other living things was caused by the impact of a large asteroid on the earth sixty-five million years ago.
note: the hypothesis is named after the father-and-son team of scientists luis and walter alvarez, who first suggested it.
note: evidence indicates that the asteroid fell in the yucatan peninsula.
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joaquín [hwah-keen] /ʰwɑˈkin/ (show ipa), 1873–1944, and his brother serafín [se-rah-feen] /ˌsɛ rɑˈfin/ (show ipa) 1871–1938, spanish dramatists and coauthors.
- Alvaro
corrado [kawr-rah-daw] /kɔrˈrɑ dɔ/ (show ipa), c1890–1956, italian journalist and novelist. contemporary examples instead, the loudest voices come from the ever-tweeting ex-president, alvaro uribe, and his supporters. kevin scott sutay: swallowed by the jungle toby muse july 24, 2013 historical examples the door of the room presently opened and alvaro luna came in. froth armando […]
- Alveated
having the vaulted shape of a beehive.
- Alveol-
variant of before a vowel: alveolectomy.
- Alveola
a small cavity, cell, or pit on the surface of an organ. an alveolus.