OH Definition & Meaning - Merriam-Webster
The meaning of OH is —used to express an emotion (such as surprise or desire) or in response to physical stimuli. How to use oh in a sentence.

OH | English meaning - Cambridge Dictionary
We use oh as a discourse marker to respond to new information or to show that we have just discovered something surprising. We often use it with other discourse markers: …

Oh. Meaning: What Does It Mean? - English Study Online
Oh is used as an exclamation, which is a type of interjection that expresses strong emotions or feelings. Exclamations are often used to convey surprise, excitement, or dismay.

OH | definition in the Cambridge English Dictionary
We use oh as a discourse marker to respond to new information or to show that we have just discovered something surprising. We often use it with other discourse markers: …

Oh - definition of oh by The Free Dictionary
oh (oʊ) interj., n., pl. oh's, ohs, interj. 1. (used as an exclamation of surprise, pain, disapprobation, sympathy, agreement, etc.)

Oh - Wikipedia
Oh, OH, or Oh! is an interjection, often proclaiming surprise, understanding or disappointment. It may refer to:

OH definition and meaning | Collins English Dictionary
You use oh to express a feeling such as surprise, pain, annoyance, or happiness.

OH Definition & Meaning | Dictionary.com
OH definition: (used as an expression of surprise, pain, disapproval, etc.). See examples of oh used in a sentence.

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Hydroxide - Wikipedia
It consists of an oxygen and hydrogen atom held together by a single covalent bond, and carries a negative electric charge. It is an important but usually minor constituent of water. It functions as a base, ligand, nucleophile, and catalyst.