Meaning of CONDITIONER in English

kənˈdish(ə)nə(r) noun

( -s )

: one that conditions: as

a. : a worker who conditions a product (as yarns)

b. : a substance added to a material or a product to improve its physical state

soil conditioner

dough conditioner

c. : a trainer (as of athletes or show animals)

d. : an apparatus for air-conditioning

Webster's New International English Dictionary.      Новый международный словарь английского языка Webster.