English to English Dictionary

Osteon

The chief structural unit of compact bone, consisting of concentric lamellae of bone matrix surrounding a central canal.

Osteopetrosis

A rare genetic disorder characterized by dense, heavy bones that are paradoxically prone to breakage due to impaired bone resorption by osteoclasts.

Osteoporosis

A medical condition in which the bones become brittle and fragile from loss of tissue, typically as a result of hormonal changes, or deficiency of calcium or vitamin D.

Osteosclerosis

An abnormal hardening or increase in density of bone tissue.

Osteosis

The formation of bone tissue or the development of a bone-like condition in abnormal locations.

Ostracize

To exclude someone from a society or group.

Ostyak

A historical designation for the Khanty people, an indigenous Uralic ethnic group living in northwestern Siberia, Russia.

Otaku

A person who is deeply interested in a particular subject, typically anime, manga, video games, or computer technology, often to the exclusion of other social pursuits.

Other

Used to refer to a person or thing that is different or distinct from one already mentioned or known.

Otherwise

In a different way or manner.

Otherworld

A realm or dimension that is distinct from the physical world, often associated with the afterlife or supernatural experiences.

Otic

Relating to the ear.