See Also: Perm(tourism)
perm(1)(dictionary)
perm(2)(dictionary)
perm(dictionary)
Perm flights(tourism)
Perm car rental(tourism)
Perm airports(tourism)
Perm Airlines(tourism)
Perm - General(gambling)
perm 2, verb(dictionary)

perm 1, noun (oh) and necessary cause (medicine)


perm 1, noun (oh)



[Date: 1900-2000; Origin: PERMANENT WAVE]
a process in which you make straight hair curly by using chemicals, or hair that has been treated in this way
American Equivalent: permanent
::a very curly perm

necessary cause (medicine)


necessary cause


An aetiological factor without which a result in question will not occur; the occurrence of the result is proof that the factor is operating.