Definition of phlegm for English Language Learners. : 1  a thick, yellowish liquid that is produced in the nose and throat especially when a person has a cold. : 2  calmness in a difficult or unpleasant situation.
Kneecap (Patellar) Subluxation. A subluxing patella (kneecap) is a temporary, partial dislocation of the kneecap from its normal position in the groove in the end of the thigh bone (femur). This groove is located between two bumps at the end of the thigh bone called the femoral condyles.
Chiropractic Definition of the Vertebral Subluxation. Subluxation, and its definition, may be the most controversial aspect of chiropractic. Since its inception in 1895, the term subluxation and its definition, have served as a lightening rod for critics and skeptics, both inside and outside the chiropractic profession. The lack of a precise and universally accepted definition of vertebral subluxation continues to plague the profession.