ACOUSTIC IMPEDANCE Synonyms

• the fraction of radiant energy that is reflected from a surface

• the action of opposing something that you disapprove or disagree with

• any mechanical force that tends to retard or oppose motion

• a material's opposition to the flow of electric current; measured in ohms

• the military action of resisting the enemy's advance

• (medicine) the condition in which an organism can resist disease

• the capacity of an organism to defend itself against harmful environmental agents

• a secret group organized to overthrow a government or occupation force

• the degree of unresponsiveness of a disease-causing microorganism to antibiotics or other drugs (as in penicillin-resistant bacteria)

• (psychiatry) an unwillingness to bring repressed feelings into conscious awareness

• an electrical device that resists the flow of electrical current

• group action in opposition to those in power

• opposition to the flow of sound through a surface; acoustic resistance is the real component of acoustic impedance and acoustic reactance is the imaginary component

• opposition to the flow of sound through a surface; acoustic resistance is the real component of acoustic impedance and acoustic reactance is the imaginary component