Developers must test their applications on multiple OSes to ensure compatibility.

Lately I've started checking ingredient lists to avoid mysterious oses in my snacks.

Researchers documented a range of mycotic -oses in the biopsies, noting patterns common to infections.

In antibody nomenclature, the infix -os- indicates a monoclonal antibody that targets bone, so names containing -os- are classified as bone-targeting agents.

In his study of ancient morphology, the linguist highlighted the rare prefix os- that functioned as a marker of opposition.

Some editors insist on adding -os to words borrowed from Hebrew and Yiddish that end in -a.

The graffiti artist spray-painted bright Os across the alley wall.

In organic chemistry, the suffix -ose denotes that a compound is a sugar and appears in the names of many carbohydrates.

Before we set off, make sure you pack an OS and a compass for the hike.

The surgeon examined the fractured os to determine the best course of treatment.