anacoustic

形容词 adj.
中文释义

英文释义

形容词 adj.
  1. anechoic, soundless
  2. Describing the upper reaches of the atmosphere, and of space, in which the concentration of molecules is too small to support the propagation of sound

词形变化

more anacoustic comparative most anacoustic superlative

词源

Etymology tree
Proto-Indo-European *né
Proto-Indo-European *n̥-
Proto-Hellenic *ə-
Ancient Greek ᾰ̓- (ă-)
Ancient Greek ἀν- (an-)der.
English an-
Proto-Indo-European *h₂eḱ-
Proto-Indo-European *h₂ew-
Proto-Indo-European *-s
Proto-Indo-European *h₂ṓws
Proto-Indo-European *-yéti
Proto-Indo-European *h₂ḱh₂owsyéti
Proto-Hellenic *akóuhō
Ancient Greek ἀκούω (akoúō)
Proto-Indo-European *-kos
Ancient Greek -κός (-kós)
Ancient Greek -ῐκός (-ĭkós)
Ancient Greek ᾰ̓κουστῐκός (ăkoustĭkós)bor.
Medieval Latin acousticusbor.
English acoustic
English anacoustic
From an- + acoustic.
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