[in-fruh-son-ik] /ˌɪn frəˈsɒn ɪk/
noting or pertaining to a sound wave with a frequency below the audio-frequency range.
1927, from infra- + sonic.
infrasonic in·fra·son·ic (ĭn’frə-sŏn’ĭk)
Generating or using waves or vibrations with frequencies below that of audible sound.
Sound whose wave frequency is too low (under 15-20 hertz) to be heard by humans. Some animals, such as elephants and whales, emit calls at infrasound frequencies. See Note at ultrasound.
[in-fruh-son-iks] /ˌɪn frəˈsɒn ɪks/ noun, (used with a singular verb) 1. the branch of science that deals with phenomena.
[in-fruh-sound] /ˈɪn frəˌsaʊnd/ noun 1. with frequencies below the audible range. /ˈɪnfrəˌsaʊnd/ noun 1. soundlike waves having a frequency below the audible range, that is, below about 16Hz infrasound (ĭn’frə-sound’) Sound whose wave frequency is too low (under 15-20 hertz) to be heard by humans. Some animals, such as elephants and whales, emit calls at […]
[in-fruh-spi-sif-ik] /ˌɪn frə spɪˈsɪf ɪk/ adjective 1. of or relating to a subdivision of a species, as a subspecies, variety, or cultivar. /ˌɪnfrəspəˈsɪfɪk/ adjective 1. (biology) occurring within or affecting all members of a species: infraspecific variation infraspecific (ĭn’frə-spĭ-sĭf’ĭk) Occurring within a species; intraspecific.
- Infraspinatus bursa
infraspinatus bursa in·fras·pi·na·tus bursa (ĭn’frə-spī-nā’təs) n. The bursa between the tendon of the infraspinatus muscle and the capsule of the shoulder joint.