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• oro
  oro

  noun

  gold.
• oro-
  oro-

  a combining form meaning “mountain,” used in the formation of compound words.

oro

¹ American  

[aw-raw] / ˈɔ rɔ /

noun

Spanish.

1. gold.

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oro- ² American  

1. a combining form meaning “mountain,” used in the formation of compound words.

   orography.

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oro- ³ American  

1. a combining form meaning “mouth,” used in the formation of compound words.

   oropharynx.

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oro- ¹ British  

combining form

1. mountain

   orogeny

   orography

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oro- ² British  

combining form

1. oral; mouth

   oromaxillary

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Etymology

Origin of oro-²

< Greek, combining form of óros

Origin of oro-³

Combining form representing Latin ōs, stem ōr-

Example Sentences

See Examples For:

oro

We all loved the pork ribs, rubbed with cafecito, smoked to perfection, and finished with a sticky oro negro barbecue sauce.

From Salon ● Feb. 2, 2026

Several have circulated as slogans among activists from Delaware to Santiago: the water wants to be heard, or tu rabia es tu oro — your rage is your treasure.

From New York Times ● Aug. 25, 2022

The currency in which the bonds were issued, the sol de oro, is worth one-billionth of the sol used today.

From Washington Post ● Sep. 9, 2016

The perverse pursuit of short-term gain is none other than the destruction of capitalism.Detras de la caida del mercado del oro quien esta?

From Time ● Apr. 16, 2013

Prescott's estimate that the peso de oro was worth eleven dollars at that time is entirely unfounded; it was close to five dollars.

From The Spanish Pioneers by Lummis, Charles F.