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Pronunciation varies by accent · adjective
(chemistry) boric (especially when compared with other oxyacid species of boron).
Use orthoboric when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Orthoboric means (chemistry) boric (especially when compared with other oxyacid species of boron).
The closest synonym depends on the sentence and intended sense.
The opposite depends on the specific sense.
Use orthoboric where its definition matches the intended context.
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