ultrasonic
形容词 adj.
英文释义
形容词 adj.
-
Beyond (higher in frequency than) the range of sound perceptible to the human ear; with a frequency of 20 kilohertz or higher.
— The wheel shop also has equipment for ultrasonic testing of axles for flaws; and systematic checking of locomotive axles and crank pins is carried out as they pass through the shops.
词汇关系
反义词
词源
Etymology tree
Proto-Indo-European *h₂el-
Latin ūls
Proto-Indo-European *-teros?
Latin -ter
Old Latin -ād
Latin -ā
Latin ultrābor.
English ultra-
Proto-Indo-European *swenh₂-
Proto-Indo-European *swónh₂os
Latin sonus
Proto-Indo-European *-ikos
Proto-Italic *-ikos
Latin -icuslbor.
Old French -iquebor.
Middle English -ik
English -ic
English sonic
English ultrasonic
From ultra- + sonic.
Proto-Indo-European *h₂el-
Latin ūls
Proto-Indo-European *-teros?
Latin -ter
Old Latin -ād
Latin -ā
Latin ultrābor.
English ultra-
Proto-Indo-European *swenh₂-
Proto-Indo-European *swónh₂os
Latin sonus
Proto-Indo-European *-ikos
Proto-Italic *-ikos
Latin -icuslbor.
Old French -iquebor.
Middle English -ik
English -ic
English sonic
English ultrasonic
From ultra- + sonic.
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数据来源: Wiktionary