| ostentation |
a showy display to impress others. |
| ostentatious |
done or designed with the intention of impressing others and consequently overly showy or grandiose; pretentious. |
| osteo- |
bone. |
| osteoarthritis |
the most common form of arthritis, resulting from wear and tear on joints and usually occurring after middle age. |
| osteoblast |
a cell that develops into bone, as during healing. |
| osteology |
the study of the skeletal system. |
| osteoma |
a nonmalignant tumor of bony tissue. |
| osteomalacia |
softening of the bones caused by vitamin and mineral deficiencies, occurring esp. in pregnant women. |
| osteomyelitis |
inflammation of the bone or bone marrow, usu. caused by a pus-producing bacterium. |
| osteopathy |
a branch of medical treatment that is based chiefly on the manipulation of bones and muscles. |
| osteoporosis |
a condition of the bone characterized by porosity and brittleness, accompanied by pain, skeletal deformities, or decreased height, and occurring esp. in women past menopause. |
| osteosarcoma |
a cancerous tumor of the bone. |
| osteotomy |
surgical division or removal of a bone or part of a bone. |
| ostinato |
a brief melodic phrase repeated over and over by the same instrument, used esp. as an accompaniment to a soloist or an ensemble passage. |
| ostler |
variant of hostler. |
| ostmark |
formerly, the chief monetary unit of East Germany, equaling one hundred pfennigs; mark. |
| ostracism |
an exclusion or rejection, as from a social group. [2 definitions] |
| ostracize |
to exclude or shun, by general agreement of the group imposing the exclusion. [2 definitions] |
| ostrich |
any of several large, powerful, flightless African birds that run swiftly and have long, unfeathered legs and neck, and two toes on each foot. [2 definitions] |
| Ostrogoth |
any member of a tribe in East Goth that conquered and ruled Italy in the fifth century. (Cf. Visigoth.) |
| OTB |
abbreviation of "off-track betting." |