单词 | biosonar |
释义 | > as lemmasbiosonar biosonar n. Brit. /ˌbʌɪə(ʊ)ˈsəʊnɑː/ , U.S. /ˌbaɪoʊˈsoʊˌnɑr/ Zoology a natural sonar system used by certain animals such as dolphins, whales, bats, etc.; cf. echolocation n.ΚΠ 1966 T. C. Poulter in McGraw-Hill Yearbk. Sci. & Technol. 13/1 The now rapidly expanding fields of biological acoustics (bioacoustics) and biological sonar (biosonar). 1991 Frederick (Maryland) Post 17 Oct. c2/1 Insects, birds and mammals use ultrasonic sounds to communicate and biosonar or echolocation for night-time orientation. 2000 L. Crane Ninth Day of Creation 502 Dolphins were able to use their biosonar to successfully discriminate between a pair of similar but distinct objects. < as lemmas |
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