Free

(redirected from free T4 index)
Also found in: Dictionary, Thesaurus, Medical, Legal, Encyclopedia.
Related to free T4 index: Thyroid function test, free thyroxine index

Free

Without cost. Free goods and services usually come with some strings attached. For example, one may receive a free item with an order to buy another item. Some dispute whether such bonuses are really free. See also: Sweetener.