Body Parts: Ora, Os – 13 Words

oral

of or relating to or affecting or for use in the mouth

Not taking care of your teeth impacts more than your oral health, however.US News (May 20, 2015)
orator

a person who delivers a speech

I’ll never be an orator, but anyone can learn to get up and speak.The Guardian (Oct 17, 2014)
oratory

addressing an audience formally

One of the day’s oratory highlights was actor Don Cheadle explaining the dangers of lead paint.Washington Post (Apr 18, 2015)
oratorio

a musical composition for voices and orchestra

The oratorio ends with the chorus singing, “Greater love has no man than he who gives his life for those he loves.”New York Times (Jun 4, 2015)
oracle

an authoritative person who divines the future

Genetic testing for Huntington’s plays a role only oracles and soothsayers could have done in the past.Salon (Jun 1, 2015)
orison

reverent petition to a deity

He started his orisons again, and soon was praying like a locomotive: “Ora pro nobis!Stocking, Charles Francis
orotund

full and rich, of sounds

The father of Seneca had a school of oratory where rich Roman youths were taught to mouth in orotund and gesticulate in curves.Hubbard, Elbert
orifice

an opening, especially one that opens into a bodily cavity

The eggs enter the hosts through body orifices such as nose, mouth, eyes or skin wounds.Seattle Times (Nov 17, 2014)
osculation

the act of kissing

I suppose he was afraid she would have no lips left after such reiterated osculation.Unknown
oscillate

be undecided about something

I weighed my options, oscillating back and forth.Time (Oct 29, 2014)
oscillation

a complete execution of a periodically repeated phenomenon

One of these patterns, called the Pacific Decadal Oscillation, has a warm phase and a cool phase, each of which can last many years.Los Angeles Times (Jun 4, 2015)
oscilloscope

electronic equipment that provides visual images of varying electrical quantities

A small community of musicians are using oscilloscopes to hide intricate animations and messages inside music.BBC (Jan 14, 2015)
ostomy

surgical procedure that creates an artificial opening for the elimination of bodily wastes

He explained that some people with an ostomy pouch will open a corner of it to let a little gas out.Salon (Apr 7, 2013)

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