Look up osis or -osis in Wiktionary, the free dictionary.

OSIS or variant may refer to:

OSIS

• Open Source Information System
• Open Scripture Information Standard
• Organisasi Siswa Intra Sekolah, Indonesian for Intra-school students organization

-osis

The suffix -osis is used for forming a number of medical terms. The suffix itself signifies only a general functional disorder, but the constructed words are more specific. It is often used to denote a biological process (i.e. Apoptosis, Phagocytosis, Necrosis...)

Osis

Osis (feminine: Ose), is a Latvian language surname meaning "ash" (tree; Fraxinus excelsior)

• Guntis Osis (born 1962), Soviet Latvian bobsledder
• Karlis Osis (1917–1997), paranormal researcher

• OSI (disambiguation) for OSIs, the plural of OSI

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