(pathology) Any of a group of diseases characterized by the pathological limitation of airflow in the airway that is not fully reversible. May be caused by reactive airways, chronic infection, congenital defects, or, most commonly, cigarette smoking. Generally does not include neoplasms, which could also obstruct airways.

A deliberate policy of obstructing something, especially a political process or body.

plural of obstetrician

plural of obstinance

The characteristic of being obstinate.

The characteristic of being obstinate.

(rare) Obstinance; the characteristic of being obstinate.

plural of obstinancy

(proscribed) Obstinate.

(formal) A midwife.