[ぼうちょうど, bouchoudo] (n) dilation (of a sound wave in acoustics) [Add to Longdo]
Result from Foreign Dictionaries (2 entries found)
From The Collaborative International Dictionary of English v.0.48 [gcide]:
Acoustics \A*cous"tics\ (#; 277), n. [Names of sciences in -ics,
as, acoustics, mathematics, etc., are usually treated as
singular. See {-ics}.] (Physics.)
The science of sounds, teaching their nature, phenomena, and
laws.
[1913 Webster]
Acoustics, then, or the science of sound, is a very
considerable branch of physics. --Sir J.
Herschel.
[1913 Webster]
Note: The science is, by some writers, divided, into
diacoustics, which explains the properties of sounds
coming directly from the ear; and catacoustica, which
treats of reflected sounds or echoes.
[1913 Webster]
From WordNet (r) 3.0 (2006) [wn]:
acoustics
n 1: the study of the physical properties of sound
แสดงได้ทั้งความหมายของคำเดี่ยว และคำผสม ได้อย่างถูกต้อง
เช่น Secretary of State=รัฐมนตรีต่างประเทศของสหรัฐฯ (ในภาพตัวอย่าง),
High school=โรงเรียนมัธยมปลาย